Deep sleep allows your brain to recover from mental effort made throughout the day, and process different types of information, including muscle memory. Having good muscle memory improves your coordination during exercise. So, in addition to helping you recover from past workouts, sleep can have a positive impact on future workouts too.
The amount of sleep an adult needs varies from person to person and depends on several factors – but a minimum of 7 hours is typically recommended by experts, with the ideal being 8 (or more).