How to best care for garden hose?

Please settle a dispute. I can find nothing about the issue online anywhere, which surprises me, so I must not be looking in the right places.

To keep a water from bursting during hot summer weather, is it critical to disconnect the hose from the spigot so the hose can drain to relieve all pressure?

Or is it enough to leave the hose connected, but use the spray nozzle to drain as much water as possible as well as relieve sufficient pressure?

Any links for proof one way or another would be appreciated.