Which of the Following are Self-Induced Causes for Insomnia

Question

Which of the following are self-induced causes for insomnia?
A) Having drinks containing caffeine before going to bed
B) Using drugs such as cocaine
C) Working irregular shifts
D) All of the above

Accepted Answer

All of the choices listed are self-induced causes for insomnia. Consuming caffeine before bed, using stimulant drugs like cocaine, and working irregular shifts can all disrupt normal sleep patterns, leading to difficulty falling or staying asleep.