Bed firmness? Sleeping on hard surfaces or soft surfaces? Effect on hips, shoulders, and back?

Back Pain with sleeping (even with a new mattress)

Why I stop sleeping on beds and went to the floor instead

Sleeping on Floor is Better than Mattress (Back Pain, Sciatica, Pinched Nerve) - Dr Mandell

How To Stop Shoulder Pain in Bed (Sleeping Postures)

Fix Morning Back Pain After Sleeping

Is your mattress causing hip pain?

Fix Shoulder Pain When Sleeping (INSTANTLY!)

How to Choose a Mattress & Pillow (For Neck, Shoulder, Hip, or Back Pain)

The Worst Sleeping Position

Fix Hip Pain Sleeping On Your Side TONIGHT

Best Sleeping Position For Back Pain, Neck Pain & Sciatica

Mayo Clinic Minute - What's the best sleeping position?

The best sleeping position for back pain, neck pain, and sciatica - Tips from a physical therapist

Floor Sleeping: More Supportive than Mattress for Back Pain (Decompression Technique) - Dr Mandell

Back Pain? Should You Sleep On The Floor? On Memory Foam? + Giveaway!

Best Sleeping Positions, Pillow & Mattress?

How to sleep during Back Pain, Can we sleep on Floor? Sleeping on Ground vs Mattress, Sleep on Bed?

Why Do I Have Back Pain After Sleeping on My Stomach?

3 Sleeping Positions to Avoid Shoulder Pain