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Symptoms » Daytime drowsiness

Daytime drowsiness

Daytime drowsiness: Introduction

Daytime drowsiness: The experience of drowsiness felt by a person in the daytime. See detailed information below for a list of 25 causes of Daytime drowsiness, Symptom Checker, including diseases and drug side effect causes.

» Review Causes of Daytime drowsiness: Causes | Symptom Checker »

Causes of Daytime drowsiness:

The following medical conditions are some of the possible causes of Daytime drowsiness. There are likely to be other possible causes, so ask your doctor about your symptoms.

» Review Causes of Daytime drowsiness: Causes | Symptom Checker »

Home Diagnostic Testing and Daytime drowsiness

Home medical tests possibly related to Daytime drowsiness:

Causes of Types of Daytime drowsiness:

Review causes of types of Daytime drowsiness in more specific categories:

Daytime drowsiness: Symptom Checker

Listed below are some combinations of symptoms associated with Daytime drowsiness, as listed in our database. Visit the Symptom Checker, to add and remove symptoms and research your condition.

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Daytime drowsiness Treatments

Review further information on Daytime drowsiness Treatments.

Stories from Users for Daytime drowsiness

Real-life user stories relating to Daytime drowsiness:

Daytime drowsiness: Animations

Medications or substances causing Daytime drowsiness:

The following drugs, medications, substances or toxins are some of the possible causes of Daytime drowsiness as a symptom. Always advise your doctor of any medications or treatments you are using, including prescription, over-the-counter, supplements, herbal or alternative treatments.

Daytime drowsiness: Comorbid Symptoms

Some of the comorbid or associated medical symptoms for Daytime drowsiness may include these symptoms:

Causes of General Symptom Types

Research the causes of these more general types of symptom:

Research the causes of related medical symptoms such as:

Causes of Similar Symptoms to Daytime drowsiness

Research the causes of these symptoms that are similar to, or related to, the symptom Daytime drowsiness:

Daytime drowsiness: Deaths

Read more about causes and Daytime drowsiness deaths.

Misdiagnosis and Daytime drowsiness

Cluster of diseases with difficult diagnosis issues: There is a well-known list of medical conditions that are all somewhat difficult to diagnose, and all can present in more »

RLS sleep disorder causing night-time leg sensations often misdiagnosed: A common but relatively unknown sleep-related disorder called Restless Leg Syndrome (RLS) is often misdiagnosed. The typical symptoms are more »

Pituitary conditions often undiagnosed cause of symptoms: There are a variety of symptoms that can be caused by a pituitary disorder (see more »

Daytime drowsiness: Research Related Doctors & Specialists

Other ways to find a doctor, or use doctor, physician and specialist online research services:

Daytime drowsiness: Undiagnosed Conditions

Conditions that are commonly undiagnosed in related areas may include:

Detailed list of causes of Daytime drowsiness

The list below shows some of the causes of Daytime drowsiness mentioned in various sources:

How Common are these Causes of Daytime drowsiness?

This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Daytime drowsiness. Of the 25 causes of Daytime drowsiness that we have listed, we have the following prevalence/incidence information:

  • 3 causes are "very common" diseases
  • 1 causes are "common" diseases
  • 1 causes are "uncommon" diseases
  • 1 causes are "rare" diseases
  • 0 causes are "very rare" diseases
  • 22 causes have no prevalence information.

Conditions listing medical symptoms: Daytime drowsiness:

The following list of conditions have 'Daytime drowsiness' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.

Select from the following alphabetical view of conditions which include a symptom of Daytime drowsiness or choose View All.

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Causes of Daytime drowsiness Based on Risk Factors

This information shows analysis of the list of causes of Daytime drowsiness based on whether certain risk factors apply to the patient:

  • Diabetes - history of diabetes or family history of diabetes?

    Classifications of Daytime drowsiness:

    Medical Conditions associated with Daytime drowsiness:

    Drowsiness (1139 causes), Fatigue (3235 causes), Sleep symptoms (1476 causes), Fatigue symptoms (3235 causes), Energy symptoms (3108 causes), Pain (6458 causes), Movement symptoms (6001 causes), Weakness (3752 causes), Sensations (6520 causes), Muscle weakness (4300 causes), Brain symptoms (2787 causes), Neurological symptoms (9575 causes), Sensory symptoms (7134 causes), Sleeping problems (873 causes), Muscle symptoms (7251 causes), Nerve symptoms (9132 causes), Musculoskeletal symptoms (6264 causes), Common symptoms (8589 causes), Body symptoms (5672 causes), Sick (5751 causes), Head symptoms (10192 causes), Nocturnal symptoms (698 causes)

    Symptoms related to Daytime drowsiness:

    Sleepiness (1139 causes), Drowsiness (1139 causes), Muscle weakness (4300 causes), Fatigue (3235 causes), Hypothyroidism (106 causes), Insomnia (521 causes), Sleep apnea (36 causes), Narcolepsy, Major depression (6 causes)

    Medical articles on signs and symptoms:

    Doctor-patient articles related to symptoms and diagnosis:

    These general medical articles may be of interest:

    Evidence Based Medicine Research for Daytime drowsiness

    Medical research papers related to Daytime drowsiness include:

    Research More Evidence-Based Medicine at

    More Ways To Research Medical Signs and Symptoms:


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