After 60, sleep can change in ways that affect daily energy and mood. Simple...

https://highstylife.com/what-are-the-most-common-underdiagnosed-sleep-problems-in-older-adults/

After 60, sleep can change in ways that affect daily energy and mood. Simple shifts like getting 20–30 minutes of morning light or trying 0.5–3 mg of melatonin before bed may help reset your body clock