Get enough of it, and sleep is your superpower, contributing to the storage and consolidation of long-term memories, muscle recovery, strengthening of the immune system, increased attention and the prevention of cardiovascular disease.
The different stages of sleep have different functions and benefits, too. Non-rapid eye movement sleep (NREM) has four different sub-stages, which progressively lead to deep sleep. It is in the more advanced stages of NREM sleep that the immune system is boosted and rebalanced, together with the cardiovascular system.
Furthermore, memory consolidation and the strengthening of neural connections also occurs during NREM sleep. Rapid eye movement sleep (REM) is associated with an increase in creativity and emotional balance.
Get too little, on the other hand, and the consequences can be severe. Inadequate sleep (classed as four hours…
