Sleep and Dreams

What are some ways to recover from jet lag?

A person can get use to the change of schedule before they board the airplane. There has to be at least four different time zones in order for someone to become jet lagged when arriving.

What can not getting enough sleep do to your behavior?

Behavior does depend on the person, but most of the time it affects the person negatively, making them more easily irritated, and angry.

What is day dreaming?

Day dreaming is where a person is at low-level awareness and involves fantasizing, or idle, but the thinking is directed, while the brain is awake.

What do dreams do?

Dreams and have many reasons to existing, while some believe its pointless some believe its the way for the brain to restore itself, or to confront problems that you were faced with throughout the day.

What is the Stage four of sleep, this is known as REM sleep?

In stage four of sleep, it occurs around the first 90 minutes after falling asleep, your eyes move very rapidly, there is mixed brain frequency activity that becomes closer to wakefulness. IN this stage of sleep your heart rate and blood pressure increase near waking levels. Most of the dreaming occurs during this stage of sleep. your arms and legs become temporarily paralyzed in order to be sure that you do not act out your dreams. As you grow the less of your sleep is REM sleep.

What is the third stage of sleep, which is also non-REM sleep?

In the third stage of sleep, this is the stage where you wake up in the morning feeling refreshed. This stage occurs in longer periods of time during the first half of the night. Your muscles are extremely relaxed, your brain waves become very slow, and it may be even more difficult to wake someone that is sleeping in this stage.

What does the 24-hour rhythm do?

It levels your arousal and engagement in activities, it also regulates your sleep.

Does the circadian rhythm control our sleep cycles?

No, the circadian rhythm does not control our sleep cycles.

How can lack of sleep be harmful for young drivers?

Not getting enough sleep for young drivers is just as dangerous as it would be as driving under the influence.

How long does REM sleep last?

REM sleep can last 15 minutes to 45 minuets. Once REM sleep is over the person is then going back into stage IV of sleep.

Why should schools change their starting time?

Schools should change there starting time, because someone who is growing their brain is usually not as active as it would be later on in the day, therefore it would increase their performance level.

What does sleep do for us?

Sleep protected our ancestors from predators. Sleep restores and repairs the brain and body. Sleep builds and strengthens memories. Sleep facilitates creative problem solving. Sleep is the time when growth hormones are active.

What kind of problems are linked to sleep loss?

Some sleep problems are linked with areas of the brain that control emotional processes and risk taking.

What is stag IV sleep?

Stage IV of sleep is the main stage of sleep, that means when a person falls asleep they stay in this stage for the longest amount of time. This is also the stage where the body relaxes the most and regains energy.

What is stage IV of sleep?

Stage IV of sleep is the main stage of sleep, that when a person falls asleep they stay in this stage for the longest amount of time. This is also the stage where the body relaxes the most and regains energy.

When is the brain most active when asleep?

The brain is most active in REM sleep or non-REM sleep. REM sleep is the most active a brain could become while sleeping. But in stage 4 (IV) this could also be a very active stage if REM does not occur at all.

What controls our sleep cycle?

The environment and the 24-hour day controls our cycles, so when we miss sleeping disruption becomes very obvious to your body.

What is the least active your brain is during sleep?

The least active your brain is during sleep is in stage 2 of sleep. This is because the body is preparing to enter a deeper sleep, the body slows the heartbeat, relaxes musicales, and body temperature drops as well.

How could not getting enough sleep affect someone in school?

The person's performance level is greatly affected and would have been better if more sleep was obtained.

What is the second stage of sleep, this is non-REM sleep.

The second stage of sleep is a light period sleeping before going into deeper sleep. Muscles begin to relax, heartbeat, and brain activity begins to slow. There are some brainwaves and that flash images into you brain this is when most of the sleeping takes place.

What is the first stage of sleep, which is non-REM sleep at this stage?

This is the stage where the sleep is light and the time in this stage doesn't last very long, while the body goes into stage 2 of sleep. your heartbeat, breathing, and eye movements, begin to slow down.

Why should be be concerned about sleep disorders?

We should be concerned about sleep disorders because sleep is something that everyone needs in order to be able to function the next day. And for people who have sleep disorders don't get that much sleep, they have difficulty functioning.

Can sleeping help maintain brain cells, and clear out toxins?

Yes sleeping can also repair brain cells, which helps you performance in school.

Can the hours of sleep that you need change?

Yes, the hours of sleep that a person needs can change, the older someone gets the less hours of sleep they need in order to function completely the next day.

Narcolepsy

a condition characterized by suddenly falling asleep or feeling very sleepy during the day

What is sleep apnea?

a sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings

REM sleep

a stage of sleep characterized by rapid eye movements and a high level of brain activity

consciousness

a state of awareness, including a person's feelings, sensations, ideas, and perceptions

What is jet lag?

a syndrome resulting from desynchronization of the internal circadian clock with the local destination time following air travel across multiple (usually more than 5) time zones re-synchronization takes on average 1.0-1.5 days for every hour change in time zone

night terrors

sleep disruptions that occur during Stage IV of sleep, involving screaming, panic, or confusion

first stage of sleep

stage of sleep when: form of light sleep which you can easily be awakened. eye movements, slow, muscles relax and blood pressure drops with alpha waves beginning

second stage of sleep

stage two sleep- another change in the EEG pattern. theta waves are being interrupted by sleep spindles. Sudden, sharp waveforms called K complexes occur from time to time.

insomnia

the failure to get enough sleep at night in order to feel rested the next day

circadian rhythm

the rhythm of activity and inactivity lasting approximately one day

fourth stage of sleep

this is the deepest sleep, and it does become difficult to wake someone that is in this stage. Occasionally for some people, certain events such as sleep talking, bed wetting, or sleepwalking can occur.