For a standalone tablet. I love the iPad. However, if you have to lie on your back, hard to hold onto the tablet and draw at the same time.
If you can lie down next to your computer, or get a screen Bluetooth. Tablet, you can get an arm that can hold a 11 inch or smaller iPad/tablet.
Tablet Stand for Bed,360 Degree Rotating Bed Tablet Mount Holder Stand with Aluminum Arm for iPad,iPhoneXS,Nintendo Switch, Amazon Kindle Fire,or Othe https://www.amazon.com/dp/B07P8YHKLF/ref=cm_sw_r_cp_apip_7yEyfGoUnfjKX