It's easy to worry when you can't sleep. The occasional night without sleep will make you feel tired the next day, but it won't harm your physical or mental health.
However, after several sleepless nights, you will start to find that:
you are tired all the time
you drop off during the day
you find it difficult to concentrate
you find it hard to make decisions
you start to feel depressed.
However, after several sleepless nights, you will start to find that:
you are tired all the time
you drop off during the day
you find it difficult to concentrate
you find it hard to make decisions
you start to feel depressed.
This can be very dangerous if you are driving or operating heavy machinery. Many deaths are caused each year by people falling asleep at the wheel while driving. Lack of sleep may also make us more vulnerable to high blood pressure, obesity and diabetes.
Hours of sleep mainly depends on how old we are.
Babies sleep for about 17 hours each day.
Older children only need 9 or 10 hours a night.
Most adults need around 7-8 hours sleep each night.
Older people need the same amount of sleep, but will often only have one period of deep sleep during the night, usually in the first 3 or 4 hours, after which they wake more easily. We also tend to dream less as we get older.
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