After watching television while surfing the Internet on your tablet, you find yourself having trouble falling asleep at night. According to what we know about the biology of sleep, what is the most likely cause of your sleep problem?
A) The bright light from the TV and tablet is causing your pineal gland to release too little melatonin.
B) The TV shows are probably too exciting, making it difficult to calm down for sleep.
C) Surfing the Internet while watching television is too much for your brain, leading to poor sleep.
D) The bright light from the TV and tablet is causing your pineal gland to release too much melatonin.

Question

After watching television while surfing the Internet on your tablet, you find yourself having trouble falling asleep at night. According to what we know about the biology of sleep, what is the most likely cause of your sleep problem? 
A) The bright light from the TV and tablet is causing your pineal gland to release too little melatonin.
B) The TV shows are probably too exciting, making it difficult to calm down for sleep.
C) Surfing the Internet while watching television is too much for your brain, leading to poor sleep.
D) The bright light from the TV and tablet is causing your pineal gland to release too much melatonin.

Quizplus · Accepted Answer

The blue light emitted by electronic devices such as TVs and tablets can suppress the release of melatonin, which is a hormone that helps regulate sleep. This can make it more difficult to fall asleep at night.

After Watching Television While Surfing the Internet on Your Tablet