Bright light therapy

Question 1

What is bright light therapy used to treat?

Answer 1

circadian phase disorders

Question 2

What does bright light therapy do?

Answer 2

shifts a sleep/wake cycle to a more desirable time

Question 3

How does bright light therapy work?

Answer 3

involves exposure to intense but safe amounts of light to shift a sleep/wake cycle

Question 4

How does bright light therapy affect the release of melatonin?

Answer 4

uses artificial light to delay or influence the release of melatonin

Question 5

How much bright light therapy should be used?

Answer 5

right time of day at the right intensity for the right amount of time

Question 6

What happens when bright light therapy is used late in the day (6pm-8pm)?

Answer 6

sleep/wake cycle is shifted later

- wake and fall asleep later

Question 7

What happens when bright light therapy is used early in the day (6am-8am)?

Answer 7

sleep/wake cycle is shifted earlier

- wake and fall asleep earlier