On the first Monday after the clocks move forward by one hour in spring, Ellis is not tired at the new bedtime and finds it difficult to wake for school. Over the next few mornings, Ellis experiences daylight soon after waking and follows the usual breakfast and school timetable.
State one exogenous zeitgeber in this account.
Explain how Ellis's endogenous pacemaker and exogenous zeitgebers cause the sleep pattern to return to normal.
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.