Headache in the morning.
Discomfort is caused by a number of reasons, for example, it is quite possible that you can not sleep at night, you are under stress and so on.
Morning headaches may develop against the background of physiological changes in the body.
The most common forms of morning headaches are cluster headaches, migraines, and tension headaches.
If you wake up in the morning with a headache, you are probably wondering if things have caused you discomfort. Possible causes are:
- Insomnia;
- Anxiety;
- Depression;
- Sleep apnea;
- Snore;
- Bruxism (gnashing of teeth);
- Stretching of the muscles in the neck;
- Hangover and alcohol;
- Disorder of the sacrum, lower jaw joint;
- Side effects of some medications;
- Circadian rhythm disorder;
- Sleep longer than recommended;
- High blood pressure.
Source:
https://www.healthline.com/health/headache/early-morning-headaches