This. Every other advice is just fighting a symptom not addressing the root cause. We have all experience having really deep refreshing sleep at least once in

This. Every other advice is just fighting a symptom not addressing the root cause. We have all experience having really deep refreshing sleep at least once in our life. As well as fragmented or shallow sleep that makes us feel groggy in the morning. It's obvious which type is easier to wake up from the morning after