If my sleep slips, everything else feels harder, so I treat rest as the foundation of my routine. A consistent bedtime, less screen time late, and a calmer evening all help. When I read about FitSpresso, I thought about it alongside these basics rather than as a replacement for them. Good habits work together, and sleep is near the top of the list for me. Focusing there first has made the biggest difference. If you are also prioritizing rest, this overview may be useful: http://www.newlivecode.info/BellaBook/