Footer

    Download on the App StoreGet it on Google Play

    About

    • About Us
    • Our Learning Services
    • Join Us
    • FAQ
    • Hot Tags

    Services

    • Pronunciation Challenge
    • Saved
    • Search Vocabulary
    • Blog

    Channels

    Levels

    • A1
    • A2
    • B1
    • B2
    • C1
    • C2

    Privacy˙Terms˙
    ©2026 VoiceTube Corporation. All rights reserved

    sleepiness

    US / ˈslipɪnɪs/

    ・

    UK /'sli:pɪnəs/

    B1
    n. (u.)Uncountable NounVery sleepy state
    When he could not overcome his sleepiness any longer, he stopped his car and slept

    Video subtitles

    How screens actually affect your sleep

    06:39How screens actually affect your sleep
    • The phone's artificial daylight, aka blue light, suppresses the production of melatonin, disrupting our feelings of sleepiness.

      The phone's artificial daylight, aka blue light, suppresses the production of melatonin, disrupting our feelings of sleepiness.

    • disrupting our feelings of sleepiness.

      disrupting our feelings of sleepiness.

    B1

    What Is Phenobarbital? | Epilepsy

    01:37What Is Phenobarbital? | Epilepsy
    • But the major problem with it is sedation, sleepiness.

      But the major problem with it is sedation, sleepiness.

    • That's why newer medications have a lot less sleepiness and side effects and waking issues.

      That's why newer medications have a lot less sleepiness and side effects and waking issues.

    B2

    眼睛只需向上看,就能有效提高你的專注力 ► 聽聽史丹佛大學教授怎麼說... - Dr. Andrew Huberman 安德魯.胡伯曼博士(中英字幕)

    03:19眼睛只需向上看,就能有效提高你的專注力 ► 聽聽史丹佛大學教授怎麼說... - Dr. Andrew Huberman 安德魯.胡伯曼博士(中英字幕)
    • And if your eyes are pointed downward and your eyelids are hooded, like they're slowly closing, like Costellos always are, you'll feel more sleepy, especially if you're somebody who tends to have that mid-morning sleepiness or mid-morning crash.

      And if your eyes are pointed downward and your eyelids are hooded, like they're slowly closing, like Costellos always are, you'll feel more sleepy, especially if you're somebody who tends to have that mid-morning sleepiness or mid-morning crash.

    • Especially if you're somebody who tends to have that mid morning sleepiness.

      Especially if you're somebody who tends to have that mid morning sleepiness.

    B1

    How to Get a Good Night’s Sleep Without Sleeping Pills

    06:08How to Get a Good Night’s Sleep Without Sleeping Pills
    • Meat intake is associated with napping, suggested as a proxy for sleepiness.

      Meat intake is associated with napping, suggested as a proxy for sleepiness.

    • Meat intake is associated with napping, suggested as a proxy for sleepiness.

      Meat intake is associated with napping, suggested as a proxy for sleepiness.

    B2

    「質の良い睡眠」って何?5段階のレベルで説明 | 5 Levels | WIRED Japan

    23:40「質の良い睡眠」って何?5段階のレベルで説明 | 5 Levels | WIRED Japan
    • So you wake up in the morning and your balloon is flat, like you've kind of drained out all the sleepiness.

      So you wake up in the morning and your balloon is flat, like you've kind of drained out all the sleepiness.

    • And then when it's at this optimal amount is when you kind of go to sleep and you kind of let out all the sleepiness again.

      And then when it's at this optimal amount is when you kind of go to sleep and you kind of let out all the sleepiness again.

    A2

    Why Does My Brain Sleep?

    16:34Why Does My Brain Sleep?
    • So caffeine can certainly mask some of the effects of sleepiness.

      So caffeine can certainly mask some of the effects of sleepiness.

    • So caffeine can certainly mask some of the effects of sleepiness.

      So caffeine can certainly mask some of the effects of sleepiness.

    B1

    The Multi-Store Model: How We Make Memories

    06:45The Multi-Store Model: How We Make Memories
    • There are internal states such as stress, sleepiness, or hunger.

      There are internal states such as stress, sleepiness, or hunger.

    • There are internal states, such as stress, sleepiness or hunger.

      There are internal states, such as stress, sleepiness or hunger.

    B1

    To Sleep, Perchance to Dream - Crash Course Psychology #9

    10:41To Sleep, Perchance to Dream - Crash Course Psychology #9
    • kind of its opposite, narcolepsy, whose sufferers sometimes experience brief, uncontrollable attacks of overwhelming sleepiness called sleep attacks.

      kind of its opposite, narcolepsy, whose sufferers sometimes experience brief, uncontrollable attacks of overwhelming sleepiness called sleep attacks.

    • attacks of overwhelming sleepiness, called “sleep attacks.” This, as you can imagine,

      attacks of overwhelming sleepiness, called “sleep attacks.” This, as you can imagine,

    B1

    Coffee Can Improve Your Nap!

    02:11Coffee Can Improve Your Nap!
    • or do you prefer to just power through your sleepiness? Let me know them in comments.

      or do you prefer to just power through your sleepiness? Let me know them in comments.

    • Do you take them, or do you prefer to just power through your sleepiness?

      Do you take them, or do you prefer to just power through your sleepiness?

    B2

    7 Harmful Things Flying Does To Your Body

    01:497 Harmful Things Flying Does To Your Body
    • At cruising altitudes, your blood absorbs less oxygen, which can cause sleepiness, dizziness, fatigue, and

      At cruising altitudes, your blood absorbs less oxygen, which can cause sleepiness, dizziness, fatigue, and

    • less oxygen, which may cause sleepiness,

      less oxygen, which may cause sleepiness,

    B2