Most of us eagerly wait for the weekend so that we finally get enough sleep. However, we are not aware what kind of mistake we make. There is no better feeling than idling and sleeping all day on Saturday and Sunday, but practicing this habit is actually harmful for your body and here’s why.


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Social jet lag is a sleeping disorder that is caused by shifting your sleeping pattern. Researchers found that this particular disorder may increase the risk of cardiovascular diseases and obesity. Social jet lag can also weaken your immunity and be the reason for your bad mood.

Why You Shouldn’t Sleep Later On The Weekends

Brandy Roane, of Brown University, explains why sleeping in later on the weekends is bad for your health: your body has an internal clock that is guided by daylight. If every day you get up at seven o’clock, your body will start getting tired at the same time every night. However, if on the weekend, you sleep until noon, you move the internal body clock for about five hours and you disturb your daily routine.

When Sunday night comes, you are not sleeping at the usual time and consequently you need more time to get up. That’s why you are tired on Monday morning, and it’s not better on Tuesday or Wednesday. Once you break your internal body clock, you will need three days to get it back to normal.

According to Dr. Roane it is better if you go earlier to bed instead of sleeping later on the weekends. If you practice this routine your internal clock will not be disturbed, and you can sleep during the day, because, according to him, a quick afternoon nap has the same effect on the body as an extra hour of sleep at night.

However, to make your afternoon nap more efficient you must follow some rules  – it is best to take the nap between 2 and 4 PM, because everything before and after this time will interfere with your nighttime sleep. Your naps shouldn’t be longer than half an hour, because you will fall into deeper sleep and you’ll be even more tired when you get up.

Reference: Why Your Body Really Doesn’t Want You to Sleep In This Weekend
Do You Have ‘Social Jet Lag’?
Social jet lag is associated with worse mood, poorer health and heart disease