In the first place, Muay is a necessary knowledge that every boy and man had to practise persistancely in order to protect country from marauders and for self-defending.
Most adults need between six and nine hours of sleep every night. By working out what time you need to wake up, you can set a regular bedtime schedule. Winding down is a critical stage in preparing for bed. A warm bath (not hot) will help your body reach a temperature that's ideal for rest.
These are called rapid eye movement (REM) sleep, and non-rapid eye movement (Non-REM) sleep. In adults, non-REM sleep occupies around 80 percent of the night, and REM sleep 20 percent. However, REM sleep does not occur in one large block. Actually, we go into REM sleep in cycles of around 90 minutes. That is, REM sleep occurs around once every 90 minutes.