Optimum Nutrition Newsletter August 2014 | Página 10

GENERAL HEALTH & WELLBEING BUILD MUSCLE WHILE YOU SLEEP Muscle is built bigger and stronger during recovery, a process requiring rest and amino acids from protein. While many weight training adults know how a rapidly digesting post-workout protein shake can help kick-start the recovery process, not nearly as many have first-hand experience with slowly digesting protein shakes used right before bed. A study published in the journal Medicine & Science in Sports & Exercise tested bedtime An hour after a session of weight training that ended at 8 PM, subjects received a shake containing 20 grams of protein and 60 grams of carbohydrates. Before hitting the sack at 11:30 PM, some got 40 grams of casein protein while the rest received a placebo. Blood samples and muscle biopsies showed that casein ele