S&D - Factors Affecting Sleep

Question 1

Name 3 factors which affect sleep.

Answer 1

Substances
Zeitgebers
Anxiety

Question 2

Explain why caffeine may affect sleep.

Answer 2

Caffeine blocks adenosine receptors which makes the body less responsive to the build up of adenosine , preventing a person from feeling tired.

Question 3

What is the half life of caffeine?

Answer 3

6-9 hours

Question 4

How do stimulant drugs affect sleep?

Answer 4

Stimulant drugs affect the body by making it feel more alert and can reduce quality of sleep.

Question 5

What is the translation of zeitgebers?

Answer 5

Time givers

Question 6

What is a zeitgeber?

Answer 6

An environmental signal that affects our circadian rhythms for example light.

Question 7

How can our circadian rhythm be affected?

Answer 7

Researchers have found that artificial light and mobile phones can disturb our circadian rhythms and quality of sleep.

Question 8

How can anxiety affect sleep?

Answer 8

Anxiety can make it harder to sleep and make it more likely for you to wake up during sleep. Anxiety can also cause a number of sleeping disorders such as insomnia.