Marcus has recently joined a chess club. Since he started keeping to a regular sleep routine, he can play through the opening moves he was shown at the club the evening before, he has caught far fewer colds this winter, and when he loses a match he is over the disappointment by the next morning.
Use the source to explain three benefits of sleep for Marcus.
53 exam-style questions on OCR GCSE Psychology 6.1 Key Concepts, covering 6.1.1 Functions, features and benefits of sleep, 6.1.2 Causes of sleep disorders, and 6.1.3 Endogenous pacemakers and exogenous zeitgebers. Each one has a worked solution and a mark scheme showing where the marks go.