There are several factors that can cause a lack of sleep at night, including:

• Stress and anxiety: Concerns about work, school, health, finances, or family can keep your mind active at night, making it difficult to sleep. Stressful life events or trauma, such as the death or illness of a loved one, divorce, or a job loss, can also lead to insomnia.

• Poor sleep habits: Poor sleep habits include an irregular bedtime schedule, naps, stimulating activities before bed, an uncomfortable sleep environment, and using your bed for work, eating, or watching TV. Computers, TVs, video games, smartphones, or other screens just before bed can interfere with your sleep cycle. Eating too much late in the evening can also disrupt sleep.

• Underlying health conditions: Mental health conditions such as depression, anxiety, bipolar disorder, and obsessive-compulsive disorder can cause sleep problems, including insomnia. Physical health conditions such as heart problems, other sleep disorders, and long-term pain can also contribute to insomnia. Certain medications, such as some antidepressants, epilepsy medicines, and steroid medication, can also cause insomnia.

• Lifestyle factors: Lifestyle factors such as jet lag, shift work, or drinking alcohol or caffeine before going to bed can also trigger insomnia.

• Age: As people age, their circadian rhythm, or sleep-wake cycle, may shift, causing them to get sleepy earlier and wake up earlier.

If lack of sleep is affecting your daily life, its important to see a doctor to identify the cause of your sleep problem and how it can be treated.