Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Chapter 3

Chapter 3 Study Stack

TermDefinition
Caffeine Substance that produces a temporary increase in activity in the body, making it difficult to sleep.
Circadian rhythms Naturally occurring physical, behavioral, and mental changes in the body that typically follow the 24-hour cycle of the sun.
Delayed sleep phase syndrome (DSPS) Condition that results from a delay in the sleep-wake cycle that affects a person’s daily activities.
Insomnia Trouble falling or staying asleep.
Jet lag Fatigue that people feel after changing time zones when they travel.
Melatonin Hormone that increases feelings of relaxation and sleepiness and signals that it is time to go to sleep.
Narcolepsy Disorder that affects the brain’s ability to control the sleep-wake cycle.
Night-light Small lamp, often attached directly to an electrical outlet, that provides dim light during the night.
Parasomnia Term for sleep disorders that occur when people are partially, but not completely, awoken from sleep.
REM sleep Active stage of sleep during which your breathing changes, your heart rate and blood pressure rise, and your eyes dart around rapidly.
Short sleepers People who can function well on less sleep than other people.
Sleep apnea Potentially serious disorder in which a person stops breathing for short periods of time during sleep.
Sleep deficit Condition that occurs when people frequently get less sleep than they should.
Sleep deprived Term used to describe a person who gets inadequate amounts of sleep.
Sleep-wake cycle Pattern of sleeping in a 24-hour period.
Sleep-wake schedule Routine for going to bed at about the same time each night and getting up at about the same time each morning.
Tryptophan Substance that helps the body make chemicals that help you sleep.
Created by: carlos.torres
Popular Health & Social Care sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards