Sleep Stages and Sleep-Wake Cycle

What is a potential pharmacologic intervention for insomnia?

What associated factor is important to consider when addressing insomnia?

Which of the following factors may exacerbate insomnia?

Focusing solely on the number of sleep hours can lead to which misconception about insomnia?

Which option best describes the goal of pharmacologic intervention in treating insomnia?

What characterizes primary insomnia?

Which role does growth hormone play in the body?

How does primary insomnia differ from comorbid insomnia?

Which of the following statements is true regarding sleep disorders?

Which factor is NOT associated with primary insomnia?

Sleep Stages

Sleep is divided into stages, both REM (Rapid Eye Movement) and NREM (Non-REM).
NREM sleep has three stages (1, 2, and 3/4):
- Stage 1: Short stage, characterized by a slowing of EEG frequency and light sleep. Easily awakened.
- Stage 2: Slightly deeper sleep than stage 1. EEG activity slows further, and lasts approximately 20 minutes. About 50% of adult sleep is stage 2.
- Stage 3/4: Deepest sleep. Characterized by large slow waves on the EEG, where it takes approximately 15 seconds for an individual to wake up. Sleepwalking, sleeptalking, and night terrors often occur in this stage. About 90 minutes after starting NREM.
REM sleep: Irregular heart and respiratory rates, rapid eye movement. 80% of dreaming happens in REM sleep. Adults typically have 4-6 REM cycles in a night. Accounts for 20%-25% of sleep in adults.

Sleep-Wake Cycle

Maintaining a consistent sleep-wake rhythm is crucial, more significant than solely focusing on the number of sleep hours; it impacts biological and emotional well-being.
Sleep pattern disruptions can stem from various factors:
- Comfort level
- Emotional stress
- Environmental factors
- Lifestyle factors
- Diet
- Drugs/substances
- Age
- Illness/hospitalization

Sleep Disturbance Problems

Sleep disturbances can lead to reduced work productivity, increased accident risk, short-term memory problems, and impaired cognitive and motor performance.

Explore the various stages of sleep, including REM and NREM, and understand their characteristics. This quiz covers the functions of each sleep stage, highlighting their significance in maintaining a healthy sleep-wake cycle. Test your knowledge on how these stages impact overall well-being.