6-8 sentences. Max 300 words.
- The text is very short (only one sentence). I need to expand it into a full summary while maintaining neutrality and informative tone, based on the provided facts.
- Fact 1: Specialists warn about leaving lights on at night.
- Fact 2: It alters circadian rhythms.
- Fact 3: It linked to poor sleep quality.
- Idea:
- Sentence 1: Experts in psychology and health warn against the habit of sleeping with lights on.
- Sentence 2: This practice is said to significantly alter the body's natural circadian rhythms.
- Sentence 3: Such disruptions can lead to a decrease in the overall quality of sleep.
- Sentence 4: Beyond immediate sleep issues, there are concerns about long-term physical health.
- Sentence 5: The habit is linked to potential physical ailments that may develop over time.
- Sentence 6: Maintaining a dark environment is recommended for optimal rest.
- Sentence 7: Understanding the impact of light on the brain is key to improving sleep hygiene.
- Sentence 8: Specialists emphasize the importance of a dark room for restorative sleep.

Refining the summary to fit 6-8 sentences:
1. Experts warn against the habit of sleeping with lights on during the night.
2. This practice is reported to significantly alter the body's natural circadian rhythms.
3. Such disruptions often lead to a decrease in the