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How To Dress Your Baby For Sleep In Summer?

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    Dressing a baby for nighttime sleep can be a surprisingly stressful task: will he be too hot in this or too cold in that? Since professional advice across the board warns against putting a blanket over an infant to sleep, deciding on the right sleepwear is the only factor you can safely control.

    So with warmer days on the horizon, what do you need to stock your baby’s closet with so they can sleep comfortably?

    Before you figure out what baby should sleep in, it’s important to consider the temperature of their room, whether they’re in their nursery or still bunking with mom and dad.

    In the summertime, attempt to keep the sleeping area 68 degrees Fahrenheit to 72 degrees Fahrenheit.

    If temperatures are below that range, she says the baby may wake more frequently at night. There is a more serious issue in hot temperatures well above that range. Studies have shown that when babies become overheated, they are at increased risk for SIDS.

    Of course, it’s not always possible to keep their room within that optimal temperature range. If the baby's sleeping environment is well below or above that, you may need to add or subtract layers.

    Most monitors have a handy temperature gauge so you can stay informed about the temperature in the baby's room at all hours of the night.

    A good rule of thumb is to dress your baby in one layer more than you'd wear if you were sleeping in the same room.

    Parents that on warm nights in rooms without air conditioning, a single onesie is likely enough to keep the baby comfortable. If the room is air-conditioned, another layer will likely be called for.

    A little tricky to answer as there is no single right way to dress your little one to sleep on those warm nights.

    It all depends on the climate you live in, whether you have air conditioning or a fan and your baby’s preferences. The most important factor to remember is to dress them based on the temperature of their room, not the outside.

    Here are a few other things to consider as you get your little one ready for bed on summer nights:

    FAQs About Baby Sleep

    Lighten up on summer nights

    On warm nights, keep it light and breezy — a basic short-sleeve cotton or organic-cotton bodysuit or T-shirt with a muslin or cotton swaddle or sleep sack layered on top is fine.

    For instance, the swaddle, a parenting favourite that many babies wear until around 3-5 months of age, can still be worn on warmer nights. And the same goes for combinations of rompers, onesies, baby sleep sacks, and pyjamas, all technically fine for babies during summer.

    When your child is still a newborn, you probably won't keep them out too long in warm weather. If you take them for a walk in the shade or for a car ride, they wear something to help them stay cool. Bodysuits and short-sleeved rompers are perfect choices.

    Onesies are a must. Short-sleeves are definitely for the warm weather. Try to get one made of breathable cotton to avoid any synthetic fabric. If you know you'll be headed outside, try to get some clothes in lighter colours.

    While you may be able to skip socks during summer, they're an essential layer during most months of the year. This is especially true during winter, when thick socks can prevent hypothermia and illness. When you and your baby leave the house in cold weather, always pack one or two extra pairs of socks in your diaper bag.

    Dress Your Baby for Sleep in Summer

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    If your baby was born during the winter, no doubt you are enjoying getting outside in the warmer weather and the abundant sun of these warmer months. I’m sure you figured out how to bundle up your baby to keep her warm in the frigid temperatures and anticipate dressing your baby in sweet summer fashions.

    As for sleep, you likely had the temperature in your house just right, and Baby was dressed comfortably for snuggly winter nights. But as the temperatures rise, perhaps you are wondering about the best way to keep her cool while she sleeps in the summer.

    There is no right way to dress your baby to sleep in summer. It will depend on the climate where you live if you have air conditioning or not, and your baby’s preferences. But here are a few things to consider as you get your baby ready to sleep during summer nights.

    Dress baby in summer weight clothing materials

    Choosing cool and breathable fabrics is the best way to ensure your little one doesn’t overheat. All of our products are made from natural materials that are gentle on the skin

    Our sleepwear is crafted in organic cotton and bamboo signature fabric which is naturally breathable, thermoregulating & moisture-wicking, keeping little ones at the perfect temperature all night.

    A wide variety of fabrics are suitable for infant baby clothes. And while it’s usually fine to assume clothing made for children uses appropriate materials for their safety and comfort, we’ve learned that it’s always important to check! 

    And when the weather is hot, it’s extra important to make sure you’re choosing materials that can help your baby cope with the temperature rather than make their lives harder:


    Cotton is one of the best fabrics for hot weather (and baby clothes). It is cheap and widely available, but soft, lightweight, and breathable. 

    More than other fabrics, it will allow heat to escape the body rather than locking it in, which is crucial for helping your baby stay cool when it is already hard for them to sweat properly.


    Linen is another top choice for summer. It’s a great, breathable fabric that allows the body to cool when hot. It is also very light due to the way it’s loosely woven. The downside is that linen is a little more expensive to buy and requires more maintenance than cotton due to its ability to become easily wrinkled.


    Rayon is a fabric manufactured from cotton, wood pulp, and other natural or synthetic fibres. It has a similar look and feel to silk but is far more affordable, making it a popular choice for the summer wardrobe.

    The biggest downside of rayon is that it’s usually recommended to hand wash or dry clean most clothing items so that they don’t shrink in the wash.


    While some prefer to avoid synthetic clothing options altogether, they do come with some benefits to both children and parents. As well as increased functionality like stretch capacity, quicker drying times, and even water resistance in some cases, synthetics can also be made to be more durable than natural materials.

    Also, a cotton-polyester blend will keep you from having to iron so often!

    Use lightweight layers

    As babies cannot regulate their temperature, a general rule is to dress them in one more layer than you’d wear in their room. A short-sleeved bodysuit or summer sleepsuit underneath a lightweight sleeping bag should keep them comfortable and safe through the night. 

    If it’s a particularly warm night, then a footless sleepsuit or bodysuit should be fine. Whilst adults love to be fully covered whilst we sleep (even if it’s very warm out), babies don’t mind having their toes or legs exposed to inappropriate temperatures. 

    If your little one’s room has a fan or air conditioning, you need to be aware that their extremities can become cold. A baby’s circulatory system concentrates on warming the chest, so dressing them in a long-sleeved sleepsuit or bodysuit can help combat the chill. 

    Don’t be tempted to overdress, baby.

    Because overheating at night has been linked to SIDS, don’t put Baby in too many layers.

    We tend to run cold, even in the summer, and we were always battling how to dress my summer newborn. Don’t project your level of comfort onto your baby.

    Cool fingers and toes don’t convey an accurate gauge of a baby’s body temperature. Checking the back of the neck or the tummy is the best indicator. The skin should be cool and dry to the touch; if the neck or tummy is hot or sticky, the Baby is too warm.

    Generally, your baby can wear all the normal clothing options appropriate for their age. For instance, many babies wear the swaddle, a parenting favourite until around 3-5 months of age, and can still be worn on warmer nights. And the same goes for combinations of rompers, onesies, baby sleep sacks, and pyjamas, all technically fine for babies during summer.

    However, the important part is to make sure clothing materials are thin and breathable. While clothing options like swaddles can naturally create extra warmth, raising the baby’s body temperature higher than normal, you can still use them as long as you opt for lightweight blankets and sheets.

    You should also remove any unnecessary layering. Avoid overheating your baby with too many layers during warmer weather.

    How to Dress a Newborn for Sleep in the Summer

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    You certainly don't want a newborn to be cold. On the other hand, you don't want the baby to be overdressed and get too hot. Since there's a link between heat stress and the risk of sudden infant death syndrome (SIDS), this is something to pay attention to.

    In the summer, this risk may be higher. Dress your newborn in lightweight clothing and keep blankets and other items out of its crib. Take care to keep the room temperature comfortable, and you’ll help your newborn sleep soundly and safely during the warm months of the year.

    Dressing Your Baby

    Use lightweight clothing and breathable fabric. Light fabrics like cotton will keep your baby cool. Avoid heavy fabrics like wool or flannel. Short-sleeved onesies are usually fine in the summer.

    Dress your baby in newborn sleepwear, if possible. Infant sleepwear is manufactured from approved materials and is designed to fit safely. If you can find newborn summer sleepwear, dress your baby in this at night and nap times.

    Choose clothes that will keep your newborn’s face clear. Avoid clothing with hoods, high collars, or other parts that might cover the baby’s face while it sleeps. That way, it will stay cooler and be able to breathe safely.

    Do not cover the infant’s head. An infant regulates its body temperature primarily through its head. Many people dress newborns in a cap for protection or comfort, but putting one on an infant sleeping in the summer can quickly make it overheat.

    Use a sleepsack rather than a blanket. Experts recommend not putting a blanket in a newborn’s crib because it is a suffocation risk. A sleepsack (wearable blanket), however, wraps safely and securely around the baby with velcro or snaps, removing this risk. However, you should remove the sleep sack if the baby gets fussy or seems hot.

    Controlling the Environment

    Keep toys, blankets, and pillows out of the crib. Experts recommend that nothing should be in a newborn’s crib or bassinet other than a tightly fitting sheet over the mattress. Toys, blankets, pillows, and other objects can be suffocation hazards and cause a baby to overheat.

    • If you co-sleep, ensure that your bedding is kept away from your infant.

    Set the room to a temperature comfortable for adults. A sleeping newborn’s room doesn’t need to be significantly warmer or cooler than an adult’s. During the summer, a room temperature between 70-72F (about 21C) should be comfortable for a sleeping newborn.

    Turn on a fan. If you don’t have air conditioning or your baby’s room needs extra cooling, try a box or oscillating fan. However, set it so that it doesn’t blow directly on the baby’s face, and keep it well away from the crib or bassinet.

    • Hanging up wet towels in the room is another way to help cool it.

    Keep your newborn out of direct sunlight. Even in a relatively cool room, sitting in direct sunlight can cause a baby to feel uncomfortable. Set its crib or bassinet in a shaded area of the room, or draw curtains/blinds closed when napping.

    Check to see if your baby is hot. There are a few classic signs that a baby is too hot. If you see any of the following signs, remove some of your newborn’s clothing, or take it to a cooler area:

    • The baby’s forehead is sweating
    • Its ears feel hot to your touch
    • You can feel a dent at the top of the newborn’s forehead
    • Fussiness combined with any of the above

    Health Risks for Babies During Hot Weather

    Babies find it harder to cool off than adults. The youngest infants may also find it hard to communicate the fact that they’re way too hot and need their clothing or environment adjusted so they can cope with the temperature. 

    Many pediatricians recommend avoiding the sun and heat as much as possible, especially during temperatures over 80 degrees.

    Heat Stroke

    As babies can’t sweat properly until they’re older, they don’t have the same ability to cool off their bodies. This can lead to heatstroke much quicker than an older child or adult. Signs of heat stroke and heat exhaustion include:

    • Rising body temperature (above normal levels)
    • Red, hot, and dry skin
    • Rapid breathing
    • Vomiting
    • Confusion
    • Coma (not responding when touched or called)

    If you think your baby or young child is suffering from heat exhaustion or heat stroke, move to a cool area and remove all extra clothes. Also, try to give your baby fluids (unless unconscious and unable to swallow) and seek medical advice.

    Difficulty Waking Up

    Babies tend to sleep too deeply when they’re hot. While this may sound like more of an advantage, the truth is that it’s incredibly dangerous if your child cannot arouse properly from sleep. When you're thinking, “what should a baby wear to sleep?” this might not be the first thing you think of, but it has been found to increase the risk of SIDS, so it’s certainly worth considering.


    Young infants often seem content taking in the sun while you’re relaxing in the garden or park, but continuous exposure can sometimes cause their body temperature to rise dramatically. As this happens, the water content of their bodies will fall, which can lead to dehydration.

    While it might be difficult on pleasant summer days, try to limit your outdoor time to short intervals and keep them in the shade when the sun is at its strongest. And always keep them fully hydrated and equip them with a sun hat! Some tips for hydrating your baby include:

    • Offer frequent small sips of age-appropriate fluids (breast milk/water)
    • Give your little one adequate feeding throughout the day
    • Avoid dairy, juice, sodas, and sports drinks
    • If dehydrated, consider using an oral rehydration solution (ORS) to replenish lost water and electrolytes

    Skin Irritation

    Certain skin conditions have the potential to flare up during the summer months. Whether it’s because of increased sweat, direct exposure to the sun, overheating, or dehydration, you could see chronic skin diseases like eczema rear their ugly head in hot weather.

    Again, removing unnecessary layers and keeping your little one hydrated, cool, and protected from too much direct sun can help here.


    Sunburn is redness and inflammation of the skin caused by exposure to sunlight. A burn typically appears two to four hours after exposure, but the pain can last for a good few days. For your little one's delicate skin, the severity can be even worse.

    Prevention is paramount for sunburns and using sun hats and protective clothing is essential. The irony is that darker clothing items (the ones you’ll be trying to avoid during summer) can be better at deflecting harmful UV rays. 

    The easiest solution is to avoid direct exposure to the sun altogether and opt for shade whenever possible!

    When you're thinking, “what should a baby wear to sleep?” Remember, those warm temperatures can cause them to sleep too deeply, increasing the risk of SIDS.


    Wondering “what should babies wear in summer?” is just one way to ensure they are healthy and happy. As we’ve mentioned, there’s not a huge difference between your baby’s summer wardrobe to their regular collection of clothing items.

    The most important thing is you stay vigilant as a parent about how hot your baby is getting and continue to make small adjustments to keep them healthy and happy. This could mean improving ventilation, removing layers, or choosing thin, breathable materials that are more appropriate for warmer temperatures.


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