How to Dress Baby for Sleep: A Parent’s Guide

Sleep and comfort are critical during a baby’s first months of life. The two are also critical for new parents as they adjust to life with a newborn! One of the most common concerns that new parents have is learning how to dress a baby for sleep. Sleepwear, temperature, comfort, and safety all determine a baby’s sleep quality, so it’s necessary to know what to expect. In this article, we explore baby sleepwear, how to dress a baby before sleep, and tips to encourage a good night’s rest for the whole family. 

Proper Sleep Attire for Babies

To encourage proper sleep and physical development for your baby, sleepwear plays a big role. Consider these points when thinking about the type of attire your baby needs:

  1. Temperature regulation: Babies can't regulate their body temperature as efficiently as adults. They need the right type of sleepwear that’s breathable enough to remain cool but warm enough to remain comfortable. 

  2. Safety: Proper clothing can reduce the risk of overheating. It can also prevent hazardous scenarios like accidental suffocation and strangulation. 

  3. Comfort: Comfortable babies are more likely to sleep soundly.

  4. SIDS prevention: According to the American Academy of Pediatrics (AAP), appropriate sleep attire is one factor in reducing the risk of Sudden Infant Death Syndrome (SIDS).

With these points in mind, let's explore how to choose the right sleepwear for your little one.

How Many Layers Should a Newborn Wear?

One of the most common questions new parents ask is about the number of layers a newborn should wear to sleep. The general rule of thumb is to dress your baby in one more layer than you would wear to be comfortable in the same environment.

Here's a basic guide:

  1. For room temperatures 68-72°F (20-22°C): A onesie or light sleeper

  2. For room temperatures 64-67°F (18-19°C): A long-sleeved onesie

  3. For room temperatures below 64°F (18°C): A long-sleeved onesie

Remember, these are general guidelines. Always check your baby's comfort level by feeling their chest or back of the neck. If it feels warm and dry, they're likely comfortable.

Signs Your Baby is Too Hot or Cold

It's essential to monitor your baby for signs of discomfort due to temperature. Here are some indicators to watch for.

Signs that a baby is too hot

  • Flushed cheeks

  • Damp hair or sweating

  • Rapid breathing

  • Heat rash

Signs that your baby is too cold:

  • Cold hands and feet

  • Pale or blotchy skin

  • Lethargy or excessive sleepiness

  • Bluish lips 

If you notice these signs, adjust your baby's clothing or room temperature accordingly.

Choosing the Right Fabrics for Baby Sleepwear

The material of your baby's sleepwear is just as important as the number of layers. Opt for natural, breathable fabric. Some popular examples of fabrics include:

  1. Cotton: Soft, breathable, and gentle on sensitive skin

  2. Bamboo: Naturally moisture-wicking and temperature-regulating

  3. Merino wool: Excellent for temperature regulation in both warm and cool conditions

Avoid synthetic materials that don't breathe well, such as nylon or polyester. These types of fabric can quickly lead to overheating.

How to Dress a Newborn in Winter

Dressing your baby for sleep during winter can be challenging. How do you keep your newborn warm enough while also making sure they don’t overheat? Here are some tips for keeping your newborn cozy during colder months.

  1. Layer up: Start with a onesie, add footed pajamas, and then top with a swaddle or a sleep sack on colder nights.

  2. Choose the right TOG: TOG (Thermal Overall Grade) ratings indicate warmth levels in sleep sacks. Higher TOG ratings are suitable for colder temperatures.

  3. Avoid overheating: It's easy to overdress babies in winter. Remember, it's better for them to be slightly cool than too warm.

  4. Keep the room temperature consistent: Aim for a room temperature between 68-72°F (20-22°C), which is ideal for sleep.

  5. Use breathable fabrics: Even in winter, breathable fabrics are crucial to prevent overheating.

  6. Skip the hat: Babies release heat through their heads, so avoid hats during sleep to prevent overheating.

Your baby's needs may change as they grow and become more mobile. Always reassess their sleepwear as they develop.

Safety Considerations

When dressing your baby for sleep, safety should always be your top priority. Here are some important safety tips to remember so you don’t dress your baby and present them with any risks during sleep. 

  1. Avoid loose bedding: The AAP recommends keeping the crib free of loose blankets, pillows, and toys. Since young babies don’t have the body awareness to remove items that smother their face, it can lead to accidental suffocation.

  2. Use sleep sacks: Sleep sacks are safer alternatives to blankets for keeping your baby warm while they’re in their crib.

  3. Ensure proper fit: Sleepwear should fit snugly to reduce fire hazard risk, as per the U.S. Consumer Product Safety Commission.

  4. Avoid strings or ties: Stay away from any garments that involve strings or ties. These can pose a strangulation risk.

  5. Check for overheating: Regularly check your baby's temperature by feeling their chest or back of the neck.

What’s the Best Room Temperature for a Baby?

The temperature of your baby's sleep environment plays a crucial role in determining how to dress them for sleep. The AAP recommends keeping the room temperature between 68-72°F (20-22°C) for optimal sleep conditions—not too hot, and not too cool. 

If you're unsure about the room temperature, consider using a room thermometer. This can help you make informed decisions about your baby's sleepwear.

Transitioning from Swaddles to Sleep Sacks

As your baby grows, you'll need to transition from swaddles to sleep sacks. This typically happens around 2-3 months or when your baby shows signs of rolling over. Sleep sacks provide warmth while allowing freedom of movement, which is important for your baby's development.

When choosing a sleep sack, consider the following options.

  1. Size: Ensure it fits properly without being too loose around the neck.

  2. TOG rating: Choose based on your room temperature and climate.

  3. Arm options: Some sleep sacks offer removable sleeves for temperature adjustments and physical flexibility.

Learn how you transition your baby from swaddles to sleep sacks appropriately before the time comes so that you know what to expect. 

Know Your Baby’s Sleep Needs: Baby Connect 

While these guidelines provide a solid foundation for dressing your baby for sleep, remember that every baby is unique. Keep track of your baby's cues and adjust their sleepwear as needed. With time, you'll become an expert at ensuring your little one is comfortable and safe for a good night's sleep!

Understand your baby’s needs with the help of the Baby Connect app: an innovative newborn monitoring app for busy parents. With Baby Connect, you gain tips, resources, and useful baby-tracking features so that you can make informed decisions for your baby as they achieve developmental milestones. Download Baby Connect today to get started for free. 

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