What should I do the first night in a new house?
Your first night is about survival, not perfection. Focus on four things so the night is bearable and tomorrow is easier.
Night-one essentials: - Make up at least one bed with fresh sheets. Everything else fails if you can't sleep. - Find the essentials box (toiletries, medications, phone chargers, change of clothes). Don't dig through 40 boxes at 11 p.m. looking for a toothbrush. - Get one bathroom functional: toilet paper, hand soap, a towel. That's it for night one. - Order pizza or takeout on paper plates. Do not attempt to cook.
What to skip on night one: - Unpacking anything beyond essentials. - Organizing the kitchen. - Hanging pictures or arranging furniture. - Deep cleaning (assuming the previous owners or your move-in cleaning already happened).
Sleep quality on night one is everything. A rested you on day 2 is 3x more effective than an exhausted you trying to muscle through on 4 hours of sleep. Set the thermostat to a reasonable temperature (65–68°F for most people), lock up, and sleep. The boxes aren't going anywhere, and they'll look less overwhelming with 8 hours of rest.
One practical note: know how to turn off the main water shutoff before going to bed. If a pipe bursts overnight in an unfamiliar home, you want to know where the valve is now, not while water is pouring down the wall.