This is the 10585th most frequent German word.
reha
"Reha" is short for "Rehabilitation" and refers to medical or therapeutic measures for recovery.
In this sentence, 'Reha' is applied in a metaphorical sense to refer to a process of mental recovery or relaxation.
Nach einem langen Trainingstag fühlt sich eine mentale Reha gut an.
After a long day of training, a mental rehabilitation feels good.
In this context, 'Reha' refers to a rehabilitation center or program aimed at recovering from an illness or surgery.
Ich habe die Reha nach meiner Operation besucht.
I attended the rehabilitation after my surgery.
Here, 'Reha' is used as a place, specifically a facility focused on recovery for athletes.