Card 1 of 26
What is a circadian rhythm?
A
A rhythm that repeats roughly every 12 hours.
B
A rhythm that repeats roughly every 24 hours.
C
A rhythm that repeats only once during a lifetime.
D
A rhythm that repeats roughly every 7 days.
Card 1 of 26
9.1.2 Internal and external influences on sleep Flashcards
26 flashcards on Edexcel GCSE Psychology 9.1.2 Internal and external influences on sleep: the key terms, definitions and case studies you need to recall for Paper 1 and Paper 2.