What is the reason why the front desk of Thai hotel called in the morning?

Confirm whether the guest needs to clean the room or provide other services. The front desk will call the guests in the morning to ask if they need to clean the room. Guests need to clean the room. The front desk will let the guests insert the room card into the mailbox before leaving the room, and let the hotel cleaning service staff clean the room and change the bedding to ensure the guests' accommodation environment is clean and hygienic.