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Is sleeping late unhealthy?

Author

Emily Sparks

Published Jan 10, 2026

People who go to bed late and wake up late can often experience health problems because their body clock does not align with the regular rhythms of modern society. However, a new study suggests that a few easy routine adjustments could go a long way for night owls.

Is it unhealthy to sleep late at night?

New Delhi: Sleeping early (10 pm or earlier) could increase incidents of heart attacks, strokes and death by nearly 9 per cent, according to a new study. Among those who slept late (midnight or later), the risk factor could increase by 10 per cent.

Is it OK to sleep late but get enough sleep?

Myth: It Doesn't Matter When You Sleep as Long as You Sleep Enough Hours. Studies have demonstrated that the timing of sleep matters, and it's best to sleep as much as possible during hours of darkness. Sleeping at night helps align the body's circadian rhythm, or internal clock, with its environment.

Is it OK to sleep at 12 am?

When it comes to bedtime, he says there's a window of several hours—roughly between 8 PM and 12 AM—during which your brain and body have the opportunity to get all the non-REM and REM shuteye they need to function optimally.

Is it better to sleep before 12?

Dr Ramlakhan outlines the optimum amount of sleep we should be getting before midnight in order to feel rested and refreshed. “The 90-minute phase before midnight is one of the most powerful phases of sleep, because it's the period where the body is replenished,” Dr Ramlakhan says.

43 related questions found

Is 4 hours of sleep OK for one night?

For most people, 4 hours of sleep per night isn't enough to wake up feeling rested and mentally alert, no matter how well they sleep. There's a common myth that you can adapt to chronically restricted sleep, but there's no evidence that the body functionally adapts to sleep deprivation.

What time should a 14 year old go to bed?

For teenagers, Kelley says that, generally speaking, 13- to 16-year-olds should be in bed by 11.30pm. However, our school system needs a radical overhaul to work with teenagers' biological clocks. “If you're 13 to 15 you should be in school at 10am, so that means you're waking up at 8am.

Does sleeping make you taller?

According to a 2018 study , both exercise and good sleep can help increase height, as they elevate the release of growth hormones.

How can I grow after 18?

If you are an adult who is unsatisfied with your height, here are a few things you can try:

  1. Practice good posture: Poor posture can rob anyone of a few inches of height.
  2. Try heels or inserts: Choose shoes with taller heels or place inserts in your shoes to add up to a few inches of height.

What age do you stop growing?

At 18, you're legally an adult in most states. At 21, you can legally buy alcohol. But at what age do you stop growing taller? Even if you hit puberty late, you're unlikely to grow significantly after the ages of 18 to 20 .

Can I still grow at 17?

After this growth spurt, the growth plates in the bones fuse, and there is no further increase in height. Although most boys have gotten to this point by 17, a few have not, and therefore will continue to grow even while in college.

Is it OK for a 13 year old to sleep with parents?

The Answer: A 13 year old can share a room. Obviously, if there are allegations of abuse or if there are too many people living in a house, it is problematic. There could be CPS issues, but it is not illegal. Sharing a room is a time-honored tradition among siblings.

Is 14 years old considered a child?

Legally, the term child may refer to anyone below the age of majority or some other age limit. The United Nations Convention on the Rights of the Child defines child as "a human being below the age of 18 years unless under the law applicable to the child, majority is attained earlier".

Why do teenagers stay up late?

It's kind of cool when you think about it—that around the time of puberty, adolescents show a hormonally driven shift in their circadian rhythms that allows them to stay awake later and sleep in later.

Is 6 hours of sleep good for a teenager?

Summary. Sleep research suggests that a teenager needs between eight and 10 hours of sleep every night. Most teenagers only get about 6.5-7.5 hours sleep per night. Teen's body clocks naturally shift to make them feel tired later in the evening, but early school starts do not enable them to sleep in the mornings.

How can I sleep 8 hours in 3 hours?

So if you're going to only get 4 hours of sleep in one night, make sure you don't make it a habit.

  1. Practice Relaxing Activities. ...
  2. Step Away From Electronic Screens. ...
  3. Get Comfy In A Dark And Quiet Environment. ...
  4. Avoid Liquids Before Sleep. ...
  5. Practice Mindfulness.

Can a 12 year old get pregnant?

Technically, women can get pregnant and bear children from puberty when they start getting their menstrual period to menopause when they stop getting it. The average woman's reproductive years are between ages 12 and 51. Your fertility naturally declines as you get older, which could make it harder for you to conceive.

What age is a teenager?

The Growing Child: Teenager (13 to 18 Years)

When should my son stop sleeping with me?

Dr. Basora-Rovira reminds parents that under the age of 12 months, there should be absolutely no bed-sharing. The AAP updated their sudden infant death syndrome (SIDS) guidelines in 2016 to recommend room-sharing for the baby's first year, but to avoid bed-sharing due to accidental suffocation risks.

How do I get my 11 year old to sleep in his own bed?

A healthy bedtime routine will help your child unwind and get ready for sleep. 1 A warm bath, a few good books, and some cuddling can help your child get ready to sleep in his own bed. Then, when it's time for lights out, shut off the lights and leave the room so he can practice falling asleep on his own.

How do I get my teenager to sleep in his own bed?

With an older child or teenager, don't push them out of your bed. Instead empower them by suggesting they come up with a plan to gradually withdraw from your bed. You could also set a timetable for them to move back to their own room. All children eventually grow out of wanting to sleep with their parents.

How do I know if Im growing?

Look for signs of growth.

Short pant legs are an easy way to tell that you must be growing. If the jeans you used to have to roll up now make you look like you're ready for a flood, it may be time to take a height measurement (as well as buy some new jeans). Foot growth is another likely sign of height growth.

How do you know if my puberty is over?

For most girls, puberty occurs between 8 and 13 years old and the growth spurt occurs between 10 and 14 years old. They grow just 1 to 2 additional inches in the year or two after getting their first period. This is when they reach their adult height. Most girls reach their adult height by age 14 or 15.