There are different factors that may cause you to have difficulty sleeping. This factors makes you unable to have a proper sleep. They include the following:
1. Bad Dreams: It makes you afraid to go back to sleep.
2. Bed Wetting: It makes you uncomfortable to sleep.
3. Too Much Thinking: It makes you unable to sleep.
4. Sickness: It disturbs your sleep. For example Catarrh, headache, cough and so on.
5. Dirty Linen and Bed Sheet: It makes your body feel itchy and disturbs your sleep.
6. Insects like Mosquitoes, Bedbugs and lice may also affect your sleep.
7. Noises from loudspeakers, generator, markets, schools and so on may all affect your sleep.