The nurse is caring for a client with a hiatal hernia. The n…

The nurse is caring for a client with a hiatal hernia. The nurse comes into the room after dinner to administer an antacid. The nurse finds an empty dinner tray, can of soda and a bag of chips at the bedside. The client is lying flat in bed with their legs elevated watching TV. The nurse reinforces the importance of which intervention regarding the management of hiatal hernia at this time?