Sherlock quickly hid the phone behind his back, using his body to block what he was doing while his hand went behind his back and put it back on the table.

He stood up to disguise what he had done. "You'll sleep better if you are in your own bed." he said, offering John his hand to help him up to his feet, trying to avoid looking at the robe that was hanging open. Sherlock was still only in his towel, he hadn't even had time to get dressed yet.