Sleep is thé the most essential thing to do in life, just after breathing.
Without sleep, our cognitive and emotional abilities become badly disrupted.
Loss of focus, weight gain and depression are just some short term effects, associated with it.
Not just correlated, but caused by sleep deprivation.
Sleep is your One Metric That Matters (OMTM).
Anyone should do anything in their power to make a sleep of at least 7 or 8 hours a night.
If sleep is off, the rest falls apart.