How many hours can you get? Scientist warns of dangerous sleep limit

So how much sleep do you need per night to avoid the risk of compromised performance and health? Nor does Walker deviate from the seven to nine hours that are generally considered sufficient. However, it should never be lower than seven: below, the first alterations in brain and body functions would already occur.

So how do I know if I’m sleep deprived? Walker asks three questions that, if answered “yes”, indicate insufficient sleep:

  • Otherwise would you continue to sleep without being awakened by the alarm clock?
  • Do you feel the need to sleep in on the weekends?
  • Do you need caffeine in the morning to “function”?

According to Walker, alcohol, which is used by many as a sleeping pill, is more harmful than beneficial for sleep: although you fall asleep earlier, alcohol blocks REM, i.e. the sleep phase. deep. This usually results in frequent awakenings and great fatigue the next morning.

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