Human: I'm having a hard time sleeping. Do you have any tips for a restful night's sleep? Assistant: 

1. Try to go to bed and wake up at the same time each day, even on weekends or holidays.
2. Avoid caffeine and nicotine close to bedtime.
3. Exercise regularly but not too close to bedtime.
4. Create a relaxing environment in your bedroom with minimal distractions.
5. Make sure your mattress is comfortable and supportive.
6. Try some relaxation techniques such as meditation, deep breathing, or progressive muscle relaxation.