- A life crisis or stress, including the loss of a life partner,
divorce, or loss of a job - Environmental noise - Extreme
temperatures (like a room that is too hot or too cold) - Change
in the surrounding environment - Sleep/wake schedule problems,
such as those due to jet lag - Heart disease - Asthma or chronic
obstructive pulmonary disease (COPD) - Sleep apnea -
Gastroesophageal reflux disease (GERD) or ulcer - Behavioral
factors, including: Certain medicines such as: - Allergy
medicines - Blood pressure medicines - Psychiatric medicines -
Age: adults 50 years or older are more likely to have insomnia -
Sex: female (especially during and after menopause) - A history
of mental disorders (such as anxiety, depression) - Chronic pain
- Having chronic medical conditions - Using alcohol, drugs, or
certain medicines - Shift work - Use of multiple medicines -
Difficulty falling asleep - Waking up frequently during the
night with difficulty returning to sleep - Waking up too early -
Not feeling refreshed after slee