It’s the start of a new day: You’ve had your morning shower and a hot cup of coffee. A jam-packed schedule awaits you. There’s just one hitch: You can’t keep your eyes open and would rather crawl back in bed and spend the rest of the day catching up on your zzzzs.
“When you’re feeling sleepy in the morning, it’s assumed that you haven’t had the recommended eight hours of sleep the night before,” says Maria Patricia Ann T. Puno, MD, Sleep Medicine Specialist from Makati Medical Center (MakatiMed). “Maybe you were up late working, partying, or binge-watching your latest K-Drama obsession. Perhaps you’re getting over jet lag or are looking after a newborn that needs your constant attention.”
Having the right quantity of good quality sleep is important to stave off excessive daytime sleepiness (EDS). But what if you did sleep for eight or more hours yet still feel it isn’t enough? And what if it happens often enough that it affects your ability to handle your responsibilities at home and on the job? It’s called hypersomnia, according to MakatiMed. Defined by the International Classification of Sleep Disorders as “the inability to stay awake and alert during the major waking episodes of the day, resulting in unintended lapses into drowsiness or sleep,” hypersomnia is identified by a number of symptoms.
“Patients with hypersomnia display constant sleepiness throughout the day, difficulty staying up despite having adequate hours of sleep, irritability, lack of energy and appetite,” notes Dr. Puno. “Moreover, they don’t benefit from power naps and remain sluggish even after a bit of shut eye.”
Identifying and treating the underlying causes of excessive sleepiness is key to the management of hypersomnia.
“When taken during the day, antihistamines, anti-epileptic drugs, antipsychotic medications, and muscle relaxants can induce sleepiness,” reveals Dr. Puno. “Medical conditions like head trauma, hypothyroidism, Parkinson’s disease, a tumor, sleep apnea, and mood disorders like depression and bipolar disorder have also been known to make you sleepy throughout the day.”
But hypersomnia can be a condition in itself, too, the result of genetics or of rare sleep disorders. “Narcolepsy is a neurological disorder characterized by the sudden urge to sleep deeply. It’s said to be caused by a lack of orexin, a neurotransmitter that helps you stay awake,” explains Dr. Puno. “Kleine-Levin Syndrome is even rarer. Besides exhibiting chronic daytime sleepiness, patients with this condition also show varying degrees of behavioral and cognitive disturbances.” Kleine-Levin Syndrome’s cause is unknown, though it’s believed that illness or injury to the hypothalamus, the part of the brain that manages our sleep, is behind it.
With a proper diagnosis, hypersomnia can be treated with antidepressants, stimulants, and medications designed specifically for narcolepsy. “If you are currently taking prescription drugs whose side effect includes drowsiness, ask your primary physician if it’s possible to lower the dose or find an alternative,” shares Dr. Puno.
Simple lifestyle changes can also keep you awake when you need to be. “For daytime sleepiness caused by disruptions before bedtime, try turning in earlier than usual so you can clock longer hours at night,” says Dr. Puno. “Daily 20-minute exercise can improve the quality of your sleep; so can relaxation techniques like meditation. Take stimulants like coffee, but not too much to affect your sleeping at night. And a 15-30 nap in the middle of the day can do wonders to sharpen your mind and lift your spirits.”
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