Herbie Murray
Sleep is crucial for a newborn's development and growth, and light plays a significant role in their sleep patterns. While some parents worry about their newborns developing a fear of the dark or becoming dependent on darkness to sleep, research suggests that newborns sleep better in dark rooms. Darkness promotes sleep by encouraging the production of melatonin, a sleep-inducing hormone. On the other hand, light, especially blue light from electronic devices, can suppress melatonin production, increase the time it takes for newborns to fall asleep, decrease deep sleep, and affect their ability to stay asleep.
| Characteristics | Values |
|---|---|
| Darkness | Darkness promotes sleep, helps to establish a baby's circadian rhythm, and encourages the body to produce melatonin. |
| Light | Light is stimulating to a baby's brain and can disrupt sleep. Blue light, in particular, has been linked to decreased drowsiness, longer sleep onset, reduced deep sleep, and increased sleep disruptions. |
| Night Lights | Night lights can be useful for parents during nighttime feedings and diaper changes. Red lights are the least disruptive to sleep and circadian rhythms. |
| Individual Differences | Some babies may be afraid of the dark, while others may sleep better in complete darkness. It is important to consider a baby's individual sleep preferences and needs. |
| Other Considerations | Exposure to natural light during the day and limiting electronic device use before bed can also impact a baby's sleep. |
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What You'll Learn
- Newborns typically sleep between 14 and 17 hours a day
- Darkness helps newborns sleep by encouraging melatonin production
- Blue light can be harmful to newborns and may lead to loss of eyesight
- Night lights are useful for parents during diaper changes and feedings
- Circadian rhythms are set by light, noise, and human behaviour cues
Newborns typically sleep between 14 and 17 hours a day
At night, it is beneficial to keep the room as dark as possible. Darkness helps to signal to newborns that it is time to sleep, prevents stimulation that could disrupt their sleep, and encourages the production of melatonin, a sleep-inducing hormone. While it is not necessary to have a completely dark room, it is recommended to make the room as dark as possible. This can be achieved by turning off electronic devices, using red or yellow lights, or diffusing light by placing it behind furniture.
It is important to note that every baby is different, and it is always best to follow their own routine for sleeping patterns and naps. Some newborns may be able to sleep anywhere with any amount of noise, while others may be more sensitive to light and noise. Ultimately, it is about finding what works best for you and your baby.
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Darkness helps newborns sleep by encouraging melatonin production
Newborns need a lot of sleep, usually between 14 and 17 hours a day. Darkness helps to signal to their bodies that it is time to sleep, and it also prevents stimulation that could disrupt their sleep. Exposure to light, especially blue light, can disrupt the stages of sleep, leading to less restorative sleep. Blue light is found in sunlight and many modern devices such as TVs, smartphones, and tablets, and it can have a very harmful effect on newborn babies, potentially leading to loss of eyesight in the long run.
Initially, newborns' sleep patterns can be quite erratic, and they may experience day/night confusion. Somewhere between 8 and 16 weeks of age, their circadian rhythms will begin to mature, and they will start to develop more predictable sleep patterns. During the day, it is beneficial to let your newborn nap out in the open in a light room to help establish their circadian rhythm.
If a child is tired enough, they will sleep regardless of how light it is. However, it may take them longer to fall asleep, and they may wake up sooner than they would if they were in a dark room.
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Blue light can be harmful to newborns and may lead to loss of eyesight
Light and darkness play a significant role in baby sleep. While it is important for newborns to get light stimulation to help their brains develop correctly, blue light, in particular, can be harmful.
Blue light is found in sunlight and many modern devices such as TVs, computers, smartphones, and tablets. It is a high-energy light on the visible electromagnetic energy spectrum, and some forms of bright blue light have a frequency similar to UV light, which can pass through the eye and reach the retina. The retina in the human eye is more sensitive to blue light compared to other wavelengths of light, and prolonged exposure to blue light can cause retinal damage and other eye conditions. According to a study by the Scheie Eye Institute in Pennsylvania, children who sleep with the lights turned on are five times more likely to have impaired vision.
In addition, blue light suppresses melatonin production, leading to poor sleep quality or insomnia. Melatonin is a sleep-inducing hormone, and blue light from electronic devices is known to disrupt this process. It is recommended to avoid using digital devices at least 2 hours before bedtime, as blue light causes the body to become more alert.
To protect your newborn's eyesight and sleep quality, it is best to keep the room dark at night. Darkness helps to signal to their bodies that it is time to sleep and encourages the production of melatonin. If you are concerned about your newborn's exposure to blue light, you can consider using blue light glasses, which boost melatonin production and improve sleep quality.
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Night lights are useful for parents during diaper changes and feedings
While babies sleep better in the dark, night lights can be useful for parents during diaper changes and feedings.
Newborns typically sleep for short periods of time throughout the day and night, ranging from 30 minutes to 4 hours at a time. They do not yet have a consistent sleep-wake cycle, and their bodies need help determining whether it's time to sleep or be awake. During the day, letting your newborn nap in a light room can help establish their circadian rhythm. However, at night, it is beneficial to keep the room as dark as possible to signal that it's time to sleep and prevent stimulation that could disrupt their sleep.
The light from electronic devices, such as televisions, computers, and mobile phones, can be harmful to newborns, potentially leading to loss of eyesight over time. Blue light, in particular, has been shown to decrease feelings of drowsiness, increase the time it takes to fall asleep, decrease deep sleep, and affect the ability to stay asleep. It can also destroy retina cells. Therefore, it is recommended to turn off all electronic devices at least two hours before bedtime and avoid their use in the baby's room.
If you need to use a night light in the nursery, diffused red or yellow light is the best option. These softer lights can provide enough illumination for diaper changes and feedings without being too stimulating for the baby. Night lights that play music or project stars may seem appealing, but it's best to stick to the basics. Music during sleep can disrupt your baby's sleep pattern, while a simple night light can make it easier for you to care for your baby without turning on the brighter overhead lights.
Ultimately, every baby is different, and it's important to follow their individual sleep patterns and routines. Some babies may adapt well to sleeping in a dark room from the early days, while others may take a few weeks to adjust. Don't stress if your baby sleeps better with a little light; they will still get restorative sleep, even if it's not in complete darkness.
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Circadian rhythms are set by light, noise, and human behaviour cues
Light plays a huge role in baby sleep. Light stimulation is important for newborns to help their brains develop correctly. However, blue light, which comes from electronic devices such as televisions, computers, and mobile phones, can have a harmful effect on newborn babies, potentially leading to loss of eyesight in the long run. Blue light has been shown to decrease a baby's feelings of drowsiness, increase the time it takes for them to fall asleep, decrease deep sleep, and affect their ability to stay asleep.
Therefore, it is recommended to keep the room dark when it is time for your baby to sleep. Darkness helps to signal to their bodies that it is time to sleep, helps to prevent stimulation that could disrupt their sleep, and encourages their bodies to produce melatonin, a sleep-inducing hormone.
However, during the day, it is beneficial to let your newborn nap in a light room to help establish their circadian rhythm. Exposing your baby to natural light during the day and keeping the room dark at night will help them develop a consistent sleep-wake cycle.
In addition to light, noise can also impact a baby's sleep. While newborns can typically sleep anywhere with any amount of noise, this may change around 3-4 months. White noise can be helpful in blocking out household noises and creating a consistent sound environment for your baby to sleep.
Lastly, human behaviour cues also play a role in setting a baby's circadian rhythm. Observing the behaviours of the humans around them can help newborns understand the difference between night and day and develop a healthy sleep schedule.
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Frequently asked questions
No, newborns sleep better in the dark. Light stimulates their brains and can cause harm. Blue light, in particular, can destroy retina cells and lead to loss of eyesight in the long run. Darkness, on the other hand, promotes sleep by encouraging the production of melatonin, a sleep-inducing hormone.
The room should be so dark that you can't see your hand in front of your face. You can test this by putting your hand in front of your face and checking if you can see it. If you can, the room is not dark enough.
Here are some tips to create a dark sleep environment:
- Turn off all tablets, phones, TVs, or any other electronic devices at least two hours before bed.
- Put a piece of tape over any lights emitted by devices in your newborn's nursery.
- Use a red or yellow light during bedtime routine activities such as bathtime and bedtime stories.
- If you need a light in the nursery for diaper changes or nighttime feedings, use a red light.
Some parents worry that their newborn will become dependent on darkness to sleep or that they will be afraid of the dark. However, these fears typically don't develop until the age of two or older. It is also important to note that newborns can sleep with a night light if they are snoozing fine with it.
