The Science of Sleep

What was the proposed new start time for Rock Bridge High School?

• 7:50 a.m.

• 7:20 a.m.

• 8:00 a.m.

• 9:00 a.m.

What happens to melatonin production when it is dark outside?

• It increases

• It decreases

• It stops

• It doubles

What did Jilly Dos Santos use to campaign for a later start time?

• Posters and flyers

• Television ads

• Radio announcements

• Newspaper articles

What is the effect of exposure to light on melatonin production?

• Increases it

• Decreases it

• Has no effect

• Doubles it

What did the school board initially consider as the start time before Jilly's campaign?

• 7:50 a.m.

• 7:20 a.m.

• 8:00 a.m.

• 9:00 a.m.

What is melatonin derived from?

• Tryptophan

• Serotonin

• Glucose

• Lipids

What happens to SNAT in the morning?

• It is activated

• It is degraded

• It is synthesized

• It is unchanged.

Melatonin is produced about how many hours later in teens compared to adults?

• 1 hour

• 2 hours

• 3 hours

• 4 hours

What is the role of hydroxyindole-O-methyltransferase (HIOMT) in melatonin synthesis?

• Converts tryptophan to serotonin

• Transfers a methyl group to serotonin

• Converts serotonin to melatonin

• Degrades serotonin

In the synthesis of melatonin, serotonin is converted into ________.

• Tryptophan

• 5-hydroxytryptophan

• N-acetylserotonin

• Melatonin