specificweightstrategies points out that high‑intensity intervals release adenosine, the neurotransmitter that builds sleep pressure. A 20‑minute dedicatedcore circuit of thrusters, rower sprints, and battle‑ropes right after shift end accelerates the urge to sleep, shortening the dreaded “tired but wired” window. Deep sleep then amplifies growth hormone, aiding fat loss https://specificweightstrategies.com/