Why do my hip bones feel entirely bruised when I sleep on a very firm mattress?

Why do my hip bones feel entirely bruised when I sleep on a very firm mattress?

1. Introduction The sensation of bruised hip bones when sleeping on a firm mattress occurs due to excessive localized compression on the lateral hip structures. This pressure compresses the superficial bursa and gluteal tendons against the greater trochanter of the femur, leading to compromised blood flow and mechanical irritation. Over the course of the night, … Read more