
As a new parent, it's natural to worry about your baby's sleep. One of the most common concerns is how to dress your baby for bed. This can be stressful, as overheating has been linked to a greater risk of Sudden Infant Death Syndrome (SIDS), but cold babies don't sleep well either. The ideal room temperature for a baby is between 68° and 72°F, and you should dress them in one more layer than you are wearing yourself. For example, if you're wearing a t-shirt and a sheet, your baby might wear a onesie and a lightweight swaddle or sleep sack. If you're wearing flannel pyjamas under a heavy comforter, your baby might need fleece-footed pyjamas and a heavier sleep sack. You can also adjust the number of layers depending on the season.
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What You'll Learn
- Dress according to the season: In winter, a 5-month-old may need extra layers, like a onesie under pyjamas
- Avoid overheating: Maintain a room temperature between 68°F and 72°F
- Use sleep sacks: Instead of blankets, use wearable blankets or sleep sacks to prevent suffocation
- Dress in layers: Dress your baby in one more layer than you wear
- Swaddling: Swaddling can help soothe newborns, but stop once they can roll over

Dress according to the season: In winter, a 5-month-old may need extra layers, like a onesie under pyjamas
When it comes to putting your 5-month-old to sleep during winter, it's essential to keep them warm without overdoing the layers, as babies who get too warm at night are at a greater risk for SIDS. A good rule of thumb is to dress your baby similarly to how you dress yourself for sleep. If you're wearing flannel pyjamas under a heavy comforter, for instance, consider putting your baby in fleece-footed pyjamas with a onesie underneath, along with a sleep sack or swaddle. On the other hand, if you're comfortable in a t-shirt and a sheet, your baby might do well in a onesie and a lightweight swaddle or sleep sack.
The key is to use lightweight, breathable layers that can be easily added or removed to adjust to changing temperatures. This could include a long-sleeve top or bodysuit with leggings, and for extra cold nights, you could add a bodysuit under your baby's romper or lightweight, breathable socks. Remember, your baby's fingers and toes are not a good indicator of warmth, so it's best to check their core temperature by feeling the back of their neck and stomach. If they feel sweaty or clammy, remove a layer or opt for a sleep sack or swaddle with a lower TOG rating.
TOG stands for Thermal Overall Grade and measures the insulation and warmth of sleepwear and bedding. The higher the TOG rating, the warmer the fabric. For winter, a Swaddle or Sleeping Bag with a 1.0 TOG or 2.5 TOG rating is generally recommended. If your room temperature is below 20°C, consider a TOG rating of 2.5 - 3.5.
Lastly, keep your baby's room temperature in mind. Ideally, the room should be maintained between 18-22°C. If you can maintain this temperature range, you may not need to add too many extra layers to your baby's clothing or sleepwear.
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Avoid overheating: Maintain a room temperature between 68°F and 72°F
Maintaining a room temperature between 68°F and 72°F (20° to 22.2°C) is considered ideal for a 5-month-old baby's sleep. This range creates a comfortable and safe environment, reducing the risk of overheating and sudden infant death syndrome (SIDS).
To achieve this ideal temperature, you can use a thermostat or a fan to cool the room if needed. It is important to avoid pointing the fan directly at the baby; instead, direct it towards the ceiling to circulate the air effectively. Additionally, ensure the crib is not placed next to a radiator or a window, as these can impact the temperature and air circulation in the baby's sleep area.
To dress your 5-month-old baby for sleep within this temperature range, consider dressing them similarly to yourself. If you are wearing a t-shirt and a sheet, for example, your baby might be comfortable in a onesie and a lightweight swaddle or sleep sack. If the room temperature is cooler, you can add a layer, such as thicker pajamas or a sleep sack with a higher TOG rating.
It is important to monitor your baby's comfort level and adjust their clothing or the room temperature accordingly. Check their core temperature by feeling their chest, neck, back, and tummy. If their core feels warm but not sweaty, you've likely dressed them appropriately. However, if their neck or hair is sweaty, their cheeks are flushed, or their core feels clammy, they may be too warm, and you can remove a layer or opt for a lower TOG rating for their sleepwear.
Remember, maintaining a comfortable and safe room temperature for your 5-month-old baby is crucial for their well-being and healthy development.
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Use sleep sacks: Instead of blankets, use wearable blankets or sleep sacks to prevent suffocation
When putting your 5-month-old baby to sleep, it is important to consider the season and environment. Generally, babies sleep best in rooms between 68-72 °F, regardless of the weather outside. You can dress your baby for sleep based on what you are wearing. For example, if you are wearing a t-shirt and a sheet, your baby might wear a onesie and a lightweight sleep sack. If you are wearing flannel pyjamas under a heavy comforter, your baby might need fleece-footed pyjamas and a sleep sack.
Sleep sacks, also known as wearable blankets, are a safe and effective alternative to blankets, which can pose a suffocation hazard for babies under 12 months old. Sleep sacks leave your baby's arms free and their legs loosely contained. If your baby is sleeping in air conditioning, you should dress them in one extra layer than you are wearing, such as a swaddle or lightweight sleep sack.
You can adjust what your baby wears for sleep depending on if they seem too warm or cold. Signs that your baby is too warm include a sweaty neck or hair, flushed cheeks, and a clammy or sweaty core. If your baby is too warm, you can reduce the number of layers under their sleep sack or opt for a sleep sack with a lower TOG rating. If your baby is too cold, add a layer by dressing them in thicker pyjamas or a onesie under their pyjamas, or use a sleep sack with a higher TOG rating.
It is important to note that your baby's fingers and toes are not a good indicator of warmth. Instead, feel their core (chest, neck, back, and tummy). If their core feels cool to the touch, add a layer, but do not add a blanket to the crib.
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Dress in layers: Dress your baby in one more layer than you wear
When putting your baby to sleep, it's important to consider the season or environment. The ideal room temperature for a baby to sleep in is between 68° and 72°F. If your house is cooler or warmer, you can adjust by adding or removing a layer.
Babies cannot regulate their body heat as well as adults, so it's important to prevent overheating. If you're concerned your baby might be too warm, remove one or more layers from their sleepwear. Signs that your baby is too hot include a sweaty neck or hair, flushed cheeks, and a clammy or sweaty core.
A good rule of thumb is to dress your baby in one more layer than you wear. For example, if you're wearing a t-shirt and a sheet, your baby might wear a onesie and a lightweight swaddle or sleep sack. If you're wearing flannel pyjamas under a heavy comforter, your baby might need fleece-footed pyjamas and a sleep sack or swaddle.
Sleep sacks and swaddles are great options for keeping your baby warm at night. A sleep sack is a wearable blanket that leaves your baby's arms free while keeping their legs contained. A swaddle is like a cocoon that wraps around your baby, but it can pose a safety hazard once your baby can roll over, which typically happens around 2 months.
You can also adjust your baby's sleepwear based on the temperature of the room. If it's very cold, you might use thicker pyjamas, a onesie under pyjamas, or a sleep sack or swaddle with a higher TOG rating. On warmer nights, opt for lightweight, breathable sleepwear like a cotton bodysuit or long cotton pyjamas with a lower TOG rating.
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Swaddling: Swaddling can help soothe newborns, but stop once they can roll over
Swaddling is a technique used to wrap a baby in a thin blanket, creating a cocoon-like environment. It is typically done to soothe newborns and help them sleep better. It can be especially beneficial when your baby needs extra comfort at bedtime or is experiencing colic. Here are some important considerations and instructions for swaddling:
- Benefits of Swaddling: Swaddling offers several advantages for newborns. It helps keep them warm during sleep, mimics the snug environment of the womb, and provides a sense of safety and security. It also limits the startle reflex, which often wakes babies up unexpectedly.
- Selecting the Right Swaddle: When choosing a swaddle for your newborn, avoid weighted swaddles as they may restrict your baby's chest and lungs. Opt for breathable materials such as cotton, muslin, linen, or other natural fabrics to prevent overheating.
- Safe Swaddling Techniques: It is crucial to swaddle your baby safely. Ensure their hips and knees are slightly bent and turned out, allowing for natural movement. Avoid pulling the blanket too tightly, as it may increase the risk of hip dysplasia. Always place your baby on their back when swaddled and never on their side or belly.
- When to Stop Swaddling: It is recommended to stop swaddling once your baby shows signs of rolling over, which typically happens around 2 to 7 months of age. Swaddling beyond this stage can pose a safety hazard as it restricts their movement and increases the risk of sudden infant death syndrome (SIDS). Additionally, always ensure the blanket does not cover your baby's face, head, or neck.
Remember, swaddling is just one option to help soothe your newborn. It is important to consider both the benefits and risks and consult your healthcare provider if you have any concerns or questions about swaddling or your baby's sleep habits.
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Frequently asked questions
The ideal room temperature for a baby to sleep in is between 68° and 72°F. You should dress your baby in one more layer than you are wearing. For example, if you’re wearing a t-shirt and a sheet, your baby might wear a onesie and a lightweight swaddle or sleep sack. If your baby is sleeping in air conditioning, you should dress them in one extra layer.
If your baby is too cold, their core (chest, neck, back, and tummy) will feel cool to the touch. You can add a layer by dressing them in thicker pyjamas, a onesie under their pyjamas, or a sleep sack or swaddle with a higher TOG rating. If your baby is too hot, their neck or hair will be sweaty, their cheeks will be flushed, and their core will feel clammy. You can reduce their layers or opt for a sleep sack with a lower TOG rating.
To reduce the risk of sudden infant death syndrome (SIDS), place your baby on their back to sleep on a flat, firm surface. Do not put anything in your baby's crib, including blankets, pillows, and stuffed animals, until they are at least 1 year old. Avoid using any head coverings, hats, or hoods, as these can cause overheating and inhibit breathing.









































