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Analyse factors affecting sleep - Scottish Highers Psychology - Question (c) - 2022
Question (c)
Analyse factors affecting sleep. In your response you may wish to refer to the impact of drugs, light, or other relevant factors.
Worked Solution & Example Answer:Analyse factors affecting sleep - Scottish Highers Psychology - Question (c) - 2022
Step 1
Impact of Drugs on Sleep
Answer
Drugs play a significant role in affecting sleep quality and duration. For instance, substances like caffeine and nicotine are stimulants that can hinder the body’s ability to fall asleep and stay asleep. Caffeine increases alertness, which can disrupt the natural sleep-wake cycle. On the other hand, depressants like alcohol may initially induce sleep but can lead to fragmented sleep patterns and reduce REM sleep, which is essential for restorative sleep.
Step 2
Effect of Light on Sleep
Answer
Light exposure is a critical factor in regulating the circadian rhythm. The presence of artificial light, especially blue light from screens, can suppress the production of melatonin, the hormone responsible for inducing sleep. This disruption can delay the onset of sleep and reduce overall sleep duration, making it essential to minimize light exposure during the hours leading up to bedtime.
Step 3
Other Relevant Factors
Answer
Several other factors also impact sleep. Stress and anxiety can lead to heightened levels of cortisol, which can interfere with the body’s ability to relax and fall asleep. Additionally, environmental factors such as noise, temperature, and comfort of the sleeping arrangement can greatly influence sleep quality. For example, a cooler room temperature is generally conducive to better sleep, while excessive noise can be disruptive.