06 | Sleep Quality

Today you will learn 5 new English words related to "Sleep Quality"

Author

SEWT Team
June 15, 2025

“Sleep quality” is a crucial topic for you, an ESL learner, to study because it directly impacts your language acquisition and overall academic success. Adequate sleep also aids in memory consolidation, which is essential for retaining newly learned language skills. Understanding today’s vocabulary, and how the impact of sleep can empower you to take control of your well-being and optimize your learning potential. Let’s jump right in!

5 TERMS

  1. Circadian (Adjective): Relating to the natural, internal processes that regulate the sleep-wake cycle, repeating roughly every 24 hours.

  2. Insomnia (Noun): A sleep disorder characterized by difficulty falling asleep or staying asleep, despite the opportunity to do so.

  3. Hypersomnia (Noun): Excessive sleepiness or prolonged sleep that interferes with normal daily activities.

  4. Sleep Deprivation (Noun): The condition of not getting enough sleep, leading to negative effects on mood, cognitive function, and physical health.

  5. Melatonin (Noun): A hormone produced by the pineal gland that regulates sleep-wake cycles, often used as a supplement to improve sleep.

EXAMPLE SENTENCES

  1. Circadian

    • His circadian rhythm was disrupted after traveling across multiple time zones.

    • A consistent sleep schedule helps maintain a healthy circadian cycle.

    • The circadian pattern of sleep can be influenced by light exposure.

  2. Insomnia

    • Chronic insomnia can lead to serious health issues like fatigue and depression.

    • She had trouble concentrating at work due to insomnia.

    • Drinking caffeine late in the day can exacerbate insomnia.

  3. Hypersomnia 

    • Hypersomnia can make it difficult to maintain a productive daily routine.

    • Patients with hypersomnia may sleep for extended hours without feeling refreshed.

    • The doctor advised him to avoid alcohol to prevent hypersomnia.

  4. Sleep Deprivation

    • Sleep deprivation can impair memory and decision-making abilities.

    • The sleep deprivation caused by late-night study sessions affected her performance at work.

    • Chronic sleep deprivation can increase the risk of developing heart disease.

  5. Melatonin

    • Melatonin supplements can help people adjust to new time zones.

    • The body naturally produces melatonin in response to darkness.

    • She took melatonin to help with jet lag after her international flight.

EXAMPLE PARAGRAPH

Sleep quality is a complex issue influenced by various factors, including our natural circadian rhythm, the body's production of melatonin, and the prevalence of sleep disorders. Disruptions to the circadian rhythm, often caused by shift work or jet lag, can lead to difficulties falling asleep or staying asleep. These issues can manifest as insomnia, characterized by an inability to initiate or maintain sleep, or hypersomnia, excessive sleepiness despite adequate sleep. Furthermore, sleep deprivation, whether due to lifestyle choices or underlying medical conditions, can significantly impair both physical and cognitive function, impacting everything from mood and concentration to overall health. Understanding these interconnected elements is crucial for improving and maintaining healthy sleep patterns.

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