Is it normal to feel tired after working out the previous day?

It is common to feel tired after a workout, but not so common the day after. Be sure that you are well hydrated. The newest study determines that you should be drinking 50% of your body weight in water, daily. This means that if you weigh 200 pounds, you should drink 100 ounces of water a day. read more

Muscles grow not in the weight room, but during times of rest and sleep. The muscles damaged during your intense weight-training sessions the day before start to repair and rebuild while you sleep. When you are sleep deprived, you will feel fatigued and lack energy while your body tries to repair the muscle. read more