Sleep: Tight

Mattresses were supported by a lattice of ropes stretched across a wooden frame.

Let us return to the rope bed. If the ropes are sagging, you cannot sleep tight. The same applies to your modern mattress. Sleep Tight

: True sleep quality involves moving seamlessly through NREM (non-rapid eye movement) and REM stages. Deep NREM sleep is particularly vital as it triggers the release of growth hormones and facilitates protein synthesis for muscle recovery. Mattresses were supported by a lattice of ropes