Many people experience waking up exhausted despite sleeping seven to nine hours a night.
The problem often lies not in the duration of sleep, but in its quality.
Interrupted sleep, exposure to light or electronic screens, and a lack of deep sleep prevent the body from fully recovering.
The result is a persistent feeling of tiredness, even after what seems like adequate rest.
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Sleep disorders such as sleep apnea, where breathing briefly stops during sleep, can reduce oxygen flow to the brain.
According to research published in the journal Sleep, this can lead to excessive daytime sleepiness.
Narcolepsy, a condition in which the brain loses control over the sleep–wake cycle, can also cause sudden sleep episodes during the day.
These conditions typically require medical evaluation.
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The body’s hidden imbalances
Persistent sleepiness can also signal psychological or physiological imbalances.
Stress affects the body’s natural circadian rhythm and can lead to both insomnia and excessive sleepiness, according to a study published in Frontiers.
Hormonal fluctuations play a significant role as well.
Irregular levels of melatonin, the hormone that regulates sleep, and cortisol, which governs stress, can cause the body to feel constantly fatigued.
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Chronic conditions are another key factor. Diabetes, hypothyroidism, heart disease, and kidney disorders can all lead to loss of energy and an increased need for sleep.
Deficiencies in essential nutrients such as iron, vitamin B12, and vitamin D are also common causes, as they impair the blood’s ability to transport oxygen and sustain vitality.
The path back to energy
When sleepiness begins to interfere with daily life, it’s crucial to take action.
The first step is improving sleep quality. A dark, quiet, and cool bedroom, along with consistent sleep and wake times, can help regulate the body’s rhythm.
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Avoiding electronic devices before bed is also important, as blue light suppresses melatonin production.
A thorough health check is recommended to identify possible hormonal or nutritional deficiencies.
A balanced diet rich in fish, whole grains, and leafy greens, combined with adequate hydration, supports the body’s energy levels.
Relaxation techniques such as meditation and yoga can further promote better sleep and reduce stress.
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Constant sleepiness should never be ignored. It’s often not a sign of laziness, but a message from the body that something is out of balance.
This article is based on information from Mgronline.com, Sleep, and Frontiers.