利用风扇的白噪音保证睡眠更沉，不受干扰。

Use a fan for white noise so that sleep will be uninterrupted and deeper.

如果你想提高你的记忆力，可以尝试定期锻炼，并且保证睡眠充足。

If you want to improve your memory in general, you could also try exercising regularly and getting enough sleep.

我们知道长期失眠会严重的危害健康，因此，有必要相信保证睡眠充足对健康很重要。

We know that going without sleep for too long can seriously damagehealth, so there's good reason to believe that getting enough sleep is important for our well-being.

我们知道长期失眠会严重地危害健康，因此，有必要相信保证睡眠充足对健康很重要。

We know that going without sleep for too long can seriously damage health, so there's good reason to believe that getting enough sleep is important for our well-being.