Please report this issue by completing the support request in the app’s Account > Help & Feedback section.
Toggle of Sense notifications is being added to the Shortcuts feature which will in turn provide for their scheduling. See these two posts: On/Off Toggles/Schedule for Wyze Sense sensors and https://forums.wyze.com/t/wyze-sense-early-access/29359?u=loki.
The ability to group sensors is in testing. See this post for more info: Allow sensors to be added to groups