5 Common Causes of Constant Fatigue and Their Solutions

By Dr. Marcus Chen, Ph.D.

December 5, 2024 at 10:44 PM

Excessive daytime sleepiness affects approximately 25% of Americans, a significant increase from 13% a decade ago. While afternoon fatigue is normal, persistent tiredness can impact focus, decision-making, and overall health. Here are the main causes and solutions for constant fatigue:

Woman napping on sofa exhausted

Woman napping on sofa exhausted

Sleep Deprivation

  • Affects 50-70 million Americans
  • Adults need 7+ hours of sleep nightly
  • Sleep debt accumulates and can't be fixed with one night of catch-up sleep
  • Solution: Practice good sleep hygiene, maintain consistent bedtime routine, avoid screens and late meals

Sleep Disorders Common conditions include:

  • Sleep apnea
  • Narcolepsy
  • Restless legs syndrome
  • Professional diagnosis and treatment are essential

Medical Conditions Various health issues can cause fatigue:

  • Fibromyalgia
  • Thyroid disease
  • Chronic fatigue syndrome
  • Anemia
  • Depression and anxiety
  • Other chronic conditions

Nutritional Deficiencies Key deficiencies affecting energy levels:

  • Magnesium: Found in leafy vegetables, legumes, nuts
  • Iron: May trigger restless legs syndrome
  • Vitamin D: Impacts daytime alertness
  • B Vitamins: Especially important for vegans/vegetarians

Medications Common medications causing drowsiness:

  • Antihistamines
  • Certain antidepressants
  • Antipsychotics
  • Blood pressure medications
  • Anti-anxiety drugs
  • Pain medications

When to See a Doctor:

  • Tiredness interferes with daily life
  • Symptoms persist for several weeks
  • Sudden onset of sleepiness
  • Declining memory or concentration
  • Suspected underlying health issues

Consult a healthcare provider for proper diagnosis and treatment plan, particularly if fatigue significantly impacts your quality of life.

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