The firat is to pack something that will male you comfortable such as your pillow or blanket. We never .out grow the failiar. It 5ells your brainthat this is the place you are supposed to sleep.
Keep to the same sleep routine at home. Minr is read for 15 to 20 minutes. Do some streches. Brush my teeth. Then go to bed. This agai alerts your brain it os time to sleep.
Lastlyremeber that alcohol and new foods will affect your sleep. Limit the amount of alcohol becaise it causes disrupted sleep later in the night. And new food can cause rwflux that can make it difficult to fall asleep and stay asleep.
No matter how that first night was remember the next night will be better.