Here's a question and a few possible answers: Q: What can happen with too much relaxing? Possible A: satisfaction, laziness, invigorating, sleeping, feeling better Why is "sleeping" an answer aligned with human common sense?
A:
when you get "too relaxed", your body tends to feel at ease and at peace and this would be the ideal situation for you to go to sleep as it is easy to fall into sleep given these conditions.