Miya Pearson
Cats are crepuscular, meaning they are most active at dawn and dusk. They have excellent night vision, but they can't see in complete darkness. While it's not necessary to leave a light on for cats, a dim night light or a slightly open curtain can be a good idea for safety reasons. For new kittens, it may be a good idea to leave a low light on for the first couple of days as they settle into their new surroundings.
| Characteristics | Values |
|---|---|
| Leaving a light on for a kitten | Not necessary, but a dim light can help them settle in a new home |
| Kittens' ability to see in the dark | Can see with a small amount of light, e.g. moonlight or streetlights |
| Effect of light on kittens' sleep | Too much light can disrupt their sleep and encourage activity |
| Effect of light on owners' sleep | A small amount of light can help owners navigate at night without injury |
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What You'll Learn
Kittens can see in low light
Kittens, like adult cats, are crepuscular, meaning they are most active at dawn and dusk. They have excellent night vision, which is the ability to see in low-light conditions, but they cannot see in complete darkness. They can see using roughly one-sixth of the amount of light that humans need. Cats' eyes are also much more sensitive to movement than human eyes.
Cats' eyes have a unique structure that has evolved for hunting in low-light conditions. They have a reflective layer called the tapetum lucidum, which acts like a mirror, reflecting light back through the retina to give them a second chance to capture more photons. This is also why cats' eyes appear to glow in the dark or in flash photos.
Kittens' eyesight is fully developed at around five weeks of age, and from that point on, they can see in the dark as well as an adult cat.
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Leaving lights on may disrupt their sleep
Cats have much better eyesight in low light than humans. They have a reflective layer at the back of their eyes that helps them see in very dark conditions. However, they cannot see in pitch blackness and require at least a small amount of light, such as moonlight or streetlight coming in through a window, to see at night.
Leaving bright lights on for cats at night can affect their internal circadian rhythm. Their body clock is aware of when it's dawn and dusk, and they tend to keep a regular routine, usually being most active at dawn and dusk and spending the daytime catnapping. In cats, the pineal gland produces melatonin during the dark hours, signalling that it's time to sleep. Leaving a light on at night can disrupt their natural sense of time and interfere with their routine.
Leaving a light on might also lead to more activity from your cat rather than sleep. The light will stimulate their senses and encourage wild moments of zoomies or playtime. This could result in less sleep for you, as well as your cat.
Kittens, in particular, will benefit from a low light being left on for the first couple of days or nights while they settle into a new home. Very young kittens can become distressed when they are first separated from their mother and littermates, so a low light can help them navigate their new, unfamiliar surroundings.
However, keeping your blinds completely shut and having pitch-black darkness could also be stressful for a kitten. They might have trouble reaching the litter box or finding their food and water bowl, and you might accidentally step on them or kick them.
Therefore, while it's not necessary to leave a light on for a kitten at night, a dim night light or a slightly open curtain can help your kitten feel more secure in their new environment without disrupting their sleep or yours.
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Cats are crepuscular
Cats have a superior ability to see in the dark because of the high number of rods in their retinas, which are sensitive to dim light. They can see using roughly one-sixth of the amount of light that humans need. However, they cannot see in pitch blackness. Therefore, it is a good idea to leave a dim light on for your cat at night, or keep the curtains slightly open so the moonlight shines through. This will help to settle their nerves and prevent them from being fearful of the dark.
Kittens, in particular, may benefit from a low light being left on for the first couple of days while they settle into a new home. This can help them to navigate their new surroundings and reach the litter box and food bowl. It can also help to prevent any accidents, such as stepping on your kitten in the middle of the night.
However, leaving bright lights on at night is not recommended for cats, as it can interfere with their sleeping habits and encourage them to be more active. It is also not necessary, as cats can see with very low levels of light.
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A dim night light can help kittens settle
Cats are crepuscular, meaning they are most active at dawn and dusk, and have better night vision than humans. While they can see with very small amounts of light, they cannot see in complete darkness.
Kittens can feel distressed when they are first separated from their mother and littermates. For this reason, it is a good idea to leave a low light on for the first couple of days while your new kitten is settling in. A dim night light can help your kitten navigate their new surroundings and reach the litter box, food and water bowl. It can also prevent you from accidentally stepping on them.
Leaving a light on for your kitten can also help you get up in the middle of the night without stumbling over their toys or tripping over them. A small night light plugged into a wall socket should provide enough light for you to see by without keeping your kitten awake.
However, it is important to note that leaving bright lights on overnight can affect your kitten's internal circadian rhythm and disrupt their natural sense of time and routine. It could also encourage them to be more active at night rather than sleeping. Therefore, keeping your house dark during the night will help your kitten develop a healthy sleeping routine.
If you live in an area that tends to be very dark, a dim light can help shed some light without disrupting anyone's sleep. You could also pull the curtains aside to let some natural light come into your home, whether it be moonlight or artificial light from streetlights.
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Complete darkness can be stressful for kittens
Cats are crepuscular, meaning they are most active at dawn and dusk, and they have better night vision than humans. While they can see in low light, they cannot see in complete darkness. Therefore, it is recommended to keep the lights off at night to help kittens develop a healthy sleep routine. However, keeping the house in pitch-black darkness could be stressful for a kitten as they might have trouble reaching the litter box or finding their food and water bowls. In addition, their owners might accidentally step on them.
To help your kitten sleep at night, you can play with them before bedtime so that they can expend their energy. You can also introduce familiar objects, such as a favourite blanket from the shelter, to provide comfort and help them settle in. It is also beneficial to keep their litter tray, water, and food bowls close by.
For the first few nights in a new environment, it is a good idea to keep a low light on to help your kitten navigate their new surroundings more easily. This can be a dim night light or even a slightly open curtain to let in moonlight or streetlight.
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Frequently asked questions
Kittens can see in low light, so even with the lights off, they can navigate with ease. However, it can take a bit of time for them to get used to their new environment, so it's a good idea to have a low light on to make things easier at the beginning, especially on their first night in their new home.
Kittens don't need lights on at night. Although they can't see in total darkness, they can see with virtually any amount of low light, including moonlight from outside or the glare of streetlights outside the windows.
Very young kittens can become distressed when they are first separated from their mother and littermates. It can be a good idea to leave a low light on for the first couple of days while your new kitten is settling in.
Leaving a light on for your kitten at night or any time really, isn't necessary. In fact, keeping your house dark during the night will help your kitty develop a sleeping routine. This way, your kitten won't be seeking your attention and disrupting your dreams.
