Skip to main content
somnolence

somnolence

1 9.3
A strong feeling of tiredness that makes you want to sleep
  • noun
  • /ˈsɑmnələns/
  • Specialized
translation icon : somnolencia
  • The warm afternoon sun made everyone feel a deep somnolence as they lounged on the beach.
  • excessive somnolence
  • daytime somnolence

Examples

  • Waking unrefreshed, with poor daytime concentration and excessive daytime somnolence; apnoeas are terminated by a choking sensation leading to brain arousal and reawakening of the respiratory drive.

    Academic text (2011)
  • After a long night of studying, I experienced an overwhelming sense of somnolence throughout the morning.

  • A time of somnolence, of incubation, is initiated.

    Academic text (1997)
  • Spent, my vision fading, I drift into somnolence.

  • Despite CPAP, daytime somnolence persists in some patients.

    Academic text (1999)
  • Anne and I continue to walk away from it, through dusty streets that doze in a postprandial somnolence that alarms me.

    Fiction book (1990)
  • You may experience drowsiness, dizziness, somnolence, vertigo, lightheadedness, and blurred vision (avoid driving or activities that require alertness until response to drug is known).

    Academic text (2006)
  • Complaints of loud snoring were often dismissed as unimportant; however, if the snoring is associated with daytime somnolence or reports of episodes of apnoea at night, it is important that such complaints are taken seriously and that patients are promptly referred for specialist assessment.

    Academic text (2011)
  • The occurrence of asthenia, somnolence, vertigo, nausea, vomiting, and perioral paraesthesia seems to be dose-related.

    Academic text (2000)
  • In all patients, the onset of snoring and daytime somnolence had preceded congestive heart failure, but no patient had sought medical attention for sleep apnea before the diagnosis of congestive heart failure.

    Academic text (1991)

Synonyms

sleepiness
vssomnolence
8 1.0

A feeling of being ready to sleep

is a stronger or unusual desire for sleep
drowsiness
vssomnolence
6 1.8

A feeling of being very sleepy and wanting to sleep

is a stronger, more unusual level of that feeling
hypersomnia
vssomnolence
  • Specialized
1 9.8

A condition that makes you very sleepy and hard to stay awake during the day

is general strong desire for sleep rather than a chronic medical disorder

Antonyms

33 5.2

A state of watching and staying ready for danger

14 2.9

A state of being watchful and ready to notice and act on danger or problems

How Sleepy

stupor
  • Specialized
17 7.7
somnolence
  • Specialized
1 9.3
sleepiness
8 1.0
drowsiness
6 1.8
alertness
14 2.9
wakefulness
4 4.7

Surface Forms

somnolence singular
somnolences plural

Etymology

Somnolence comes from the Latin root somnus, which means 'sleep'. It is related to the more familiar word insomnia ('no sleep'), so somnolence means a strong feeling of sleepiness.