A full night's sleep is essential to lead a healthy and active life. However, sometimes it may become difficult to achieve the desired restful period. In such cases, using a variety of synonyms for the term "full night's sleep" can help in expressing oneself more effectively. A deep sleep, sound sleep, uninterrupted sleep, peaceful sleep, restful sleep, refreshing sleep, rejuvenating sleep, and revitalizing sleep are some of the popular substitutes for the term. Each of these phrases carries a unique connotation and is useful in different contexts. So, choose your words judiciously and communicate your sleeping pattern in a clear and concise manner.