Nodding off in class is common for students of any age. Late nights studying, long hours on a job, sitting in a warm classroom after a big lunch, a long evening class, or simply finding the teacher or subject matter a trifle boring all can contribute to classroom sleepiness.
By providing more time to work or study, an all-nighter might seem helpful at first glance. In reality, though, staying up all night is harmful to effective thinking, mood, and physical health. These effects on next-day performance mean that pulling an all-nighter rarely pays off.
Sometimes life calls and we don’t get enough sleep. But five hours of sleep out of a 24-hour day isn’t enough, especially in the long term. According to a 2018 study of more than 10,000 people, the body’s ability to function declines if sleep isn’t in the seven- to eight-hour range.
Age | Daily sleep recommendations |
---|---|
teens | 8-10 hours |
adults | 7-9 hours |
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.
Some need as little as 7 hours or as much as 11 hours. It’s very common for children in the early teen years to start wanting to go to bed later at night and get up later in the morning.
Being unable to concentrate can be the result of a chronic condition, including: alcohol use disorder. attention deficit hyperactivity disorder (ADHD) chronic fatigue syndrome.
It’s a very natural response to being tired. In fact, yawning is usually triggered by sleepiness or fatigue. … Yawns may also occur when you talk about yawning or see or hear someone else yawn. It’s believed that contagious yawning may have something to do with social communication.
The reason we yawn is because the brain gets heated up, and it may as well get heated up due to other reasons; not always due to sleepiness or tiredness. … A yawn actually helps you cool down and helps you to process information better. So, teachers should be happy when you yawn in their class.
A yawn can’t be denied.
Dr. Robert Provine, a noted yawn expert, says that a yawn has the “inevitability of a sneeze.” Even when you try to clench your jaw and hold back a yawn, it still slips through. A stifled yawn will likely last just as long as a full-blown yawn, though it may not feel as satisfying.
Sleeping for a couple of hours or fewer isn’t ideal, but it can still provide your body with one sleep cycle. Ideally, it’s a good idea to aim for at least 90 minutes of sleep so that your body has time to go through a full cycle.
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