Hi @maryjaynnesweredoski5818 this is a great question, with the original breast shells (vent hole open) you can rest face up but on an angle not laying flat. However we do have our new breast shells with plug, and those well you can do pretty much anything with them on, and yes you can even sleep through the night with them on. They are leak proof with the plug securely attached. If you want more info on those check out out videos about spill proof boob shells.
Can I sleep with this on or is it not advised I want to find one I can sleep in but scared about spilling milk
Hi @maryjaynnesweredoski5818 this is a great question, with the original breast shells (vent hole open) you can rest face up but on an angle not laying flat. However we do have our new breast shells with plug, and those well you can do pretty much anything with them on, and yes you can even sleep through the night with them on. They are leak proof with the plug securely attached. If you want more info on those check out out videos about spill proof boob shells.