By sitting all day, you’re not depending on your powerful lower body muscles to hold you up. This leads to muscle atrophy, which is the weakening of these muscles. Without strong leg and glute muscles to stabilize you, your body is at risk of injury. [healthline.com]
A full night's sleep gives your body time to recover, conserve energy, and repair and build up the muscles worked during exercise. [acefitness.org]
