EC2 Hibernate now supports Amazon EC2 M7i and M7i-flex instances

Starting today, you can now hibernate Amazon EC2 M7i and M7i-flex instances. Hibernation provides you with the convenience of pausing your instances and resuming them later from a saved state. Using hibernation, your applications will resume from right where they left off. With hibernation, you can maintain pre-warmed instances that can get to a productive state faster without modifying existing applications. 

Source:: Amazon AWS