Please choose the correct ending to complete the given sentence: Health: [header] How to prevent sleep disorders [title] Maintain a healthy lifestyle such as eating well, drinking water regularly, avoiding stress and maintaining a healthy weight. [step] Frequently, individuals develop sleep disorders due to stress or obesity. [title] Establish a regular schedule for sleep.

Ending1: [step] Health professionals recommend that adults aim to have seven to nine hours of sleep each night. Since sleep aids can disrupt sleep for many of us, it is vital that people establish regular bedtime routines. Ending2: [step] Establishing a regular routine will help ensure it is consistent throughout the day. No one feels like their schedule is not consistent during a sleep cycle, and although it may be important to make sure your schedule is not repetitive, it should be maintained. Ending3: [step] Wake up and go to bed at the same time everyday, including weekends. Establishing a regular sleep schedule will train your body to sleep soundly on a consistent basis. Ending4: [step] If you keep a schedule or schedule that promotes sleep-you allow your body to relax, recover from physical activity, and decrease fatigue, then you reduce your risk of developing the sleep disorders. [substeps] Provide your body with approximately 30 hours of sleep per night.

Answer format: ending1/ending2/ending3/ending4