sleep, sleep, sleep!
Feb 14, 2017
Muscles Grow While You Sleep! All that work you put in at the gym pays off after you hit the hay. In the stages of deep sleep, the muscles relax and blood flow to the muscles increase.
The hormones that fuel the muscle development are released and tissues grow and repair, according to the National Sleep Foundation. Without enough deep sleep, don't expect to see result! (Huffington)