There are sit-up pillows[1] that can provide this support, if you're interested. Personally speaking, I think lumbar support from my sit-up pillow is better tha

There are sit-up pillows[1] that can provide this support, if you're interested. Personally speaking, I think lumbar support from my sit-up pillow is better than that of my office chair at work. YMMV. You may want to look for one that's of a good size and firm. Not all are. [1] https://duckduckgo.com/?t=ffab&q=sit-up+pillow&iax=images&ia=images&iai=http%3A%2F%2Fhomesfeed.com%2Fwp-content%2Fuploads%2F2015%2F09%2Fcomfortable-brown-sit-up-pillow-design-made-of-velvet-fabirc-with-smooth-touch-and-bold.jpg https://duckduckgo.com/?t=ffab&q=sit-up+pillow&iax=images&ia...