Sleep Disorders Defined

A healthy person goes through four to six sleep stages during a single night’s sleep. If the sleep is interrupted often and the person is unable to cycle normally through the REM and NREM stages, it may cause difficulties in maintaining concentration and alertness during the daytime.

Tiredness, fatigue, and excessive drowsiness during the day can also put the patient at the risk of accidents while driving or performing other activities that involve a high concentration. In such conditions, the patient is likely to be suffering from a particular sleep disorder, and may need to undergo a sleep study test and evaluation.


There are more than 80 different types of sleep disorders that are recognized by scientists today. Sleep deprivation is a major cause of automobile accidents in the US every year, and several of these accidents are fatal. Sleep disorders can occur at any stage of life. Some of the common symptoms may include:

  • Tiredness and fatigue during daytime, even without much physical activity
  • Difficulty in falling asleep at night
  • Frequent interruptions in sleep and lack of sleep consistency
  • Poor concentration levels and deficient attention span
  • Insomnia
  • Obesity
  • Restless leg syndrome
  • Sleep apnea
  • Abnormal sleep activities such as sleep walking and excessive snoring

Common Sleep Disorders

People with irregular sleep patterns and daytime drowsiness and fatigue may be suffering from one of the following common sleep disorders:

Circadian Rhythm Disorder

The cycle of sleeping and waking hours is managed in part by the body’s internal ‘clock’ that sits in the brain. Light or exercise may reset this clock and move it forward or backward. Irregularities related to this clock are termed as circadian rhythm disorders. Jet lag, adjustments in dealing with jobs that involve changing shifts, and delayed and advanced sleep phase syndromes are common examples of this disorder.


Frequent sleep deficit and difficulties in falling asleep may indicate insomnia. This disorder may be caused due to persistent stress, anxiety, depression, irregular sleep habits, circadian rhythm disorders, or certain types of medications.


Snoring is a common trouble. For many people, it is a problem simply because of the noise it produces. However, in some cases, snoring may also be associated with a more severe sleep disorder known as sleep apnea.

Pregnancy-related Sleep Disorder

During the first and third trimesters of pregnancy, a woman may experience sleeplessness and daytime fatigue. Even after the delivery, sleep deficit may occur for a few months due to baby’s care.

Corona Sleep and Wellness Center

Corona Sleep and Wellness Center has announced the opening of its new and highly advanced sleep study center in Corona, CA. The center’s physician is Dr. Hootan Melamed, who is also a leading pharmacist and entrepreneur in Beverly Hills. He is the founder of New Age Pharmacy, and the chairman of Skyler Holdings, which is an innovative business solutions company for neighborhood boutique pharmacies.

Dr. Melamed also holds several patents and trademarks for his contributions to the pharmacy industry. He says that the sleep study center in Corona is designed to accurately evaluate and diagnose sleep disorders and their side effects.

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