What controls sleep?
What controls sleep?
Internal influences originate within the body. The internal body clock produces biological rhythms that continue even when environmental cues are removed.
Step-by-step lessons on Edexcel GCSE Psychology 9.1.2 Internal and external influences on sleep. Each one builds up to exam-style questions. Start with the more concrete compulsory topics like memory and development before tackling evaluation-heavy optional topics and research methods.