The Five Stages of Sleep
Our Body and Sleep
Sleep Technology
The Sleep/Wake Cycle
The Midnight Sun
100

These are the five stages of sleep.

What are N-REM 1, N-REM 2, N-REM 3 and 4, and REM?

100

The loss of this thing impairs one's focus, attention to detail, and problem-solving abilities.

What is sleep?

100

This device has the ability to track your sleep, as well as the environmental factors that have an affect on your sleep.

What are sleep trackers?

100

A hormone that helps regulate the sleep cycle.

What is the hormone melatonin?

100

This hormone induces sleep.

What is melatonin?

200

During N-REM 1 one may experience these.

What are hypnic jerks or the feeling of falling?

200

A lack of sleep can lead to these long term problems.

What are high blood pressure, obesity, and depression?

200

This professional sleep tracker can track your brain waves as you sleep. 

What is an EEG?

200

This is the pattern the sleep/wake cycle follows.

What is 7-9 hours of sleep a night and 15-17 hours of wakefulness?

200

This environmental factor triggers melatonin.

What is darkness?

300

These are the mind's response to outside stimulus that are observable on an EEG and occur during N-REM 2.

What are K-Complexes?

300

DAILY DOUBLE: This hormone induces sleep and is known as the sleep hormone.

What is melatonin?

300

A sleep tracker is not able to record many things, one of them being this.

What are mood patterns?

300

This gland produces melatonin and helps regulate the sleep/wake cycle.

What is the pineal gland?

300

This is the recommended method of inducing sleep during the Midnight Sun.

What is making your house as dark as possible?
400

During this stage of the sleep cycle, sleep-walking and sleep-talking are most common.

What is N-REM 3 and 4?

400

This is the recommended number of full sleep cycles the body should go through in one night.

What is 4 to 5?

400

During this decade the EEG was developed.

What are the 1920s?

400

DAILY DOUBLE: These things can interfere with the sleep/wake cycle.

What are medications, stress, environment, and diet? 

400

In this part of the world the sun never sets during their summer season.

What are countries north of the Arctic circle and south of the Antarctic circle?

500

This is the most important stage of sleep, as the body and brain rectify themselves, and dreaming is the most vivid.

What is REM Sleep?

500

This sleep disorder forces the body into fight or flight mode in which blood pressure spikes, heart rate fluctuates, and the brain partially awakens.

What is sleep apnea?

500

To track these one might want to invest in better quality sleep technology.

What are sleep diseases?

500

The sleep/wake cycle controls both of these processes.

What are the circadian rhythm and sleep homeostasis?

500

This functions best when it is dark in the evening and light in the morning.

What is the sleep cycle?
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