Sleeping Somewhere New: Why the First Night Can Be Difficult

What is the first-night effect?

Sleep researchers have long observed that the first night in a sleep laboratory may differ from later nights. People may take longer to fall asleep or have more disrupted sleep.

In a 2016 study, researchers found that part of a brain network in one hemisphere showed shallower sleep and greater responsiveness to unusual sounds during the first laboratory night. That asymmetry was not evident in subsequent sleep sessions. [1]

This supports the idea that unfamiliar surroundings can be associated with increased vigilance during sleep. It does not mean half your brain literally stays fully awake all night.

The findings came from a small laboratory study. They offer one explanation for first-night difficulties, not a complete account of every restless hotel stay.

What else can disrupt sleep away from home?

Travel often changes several things at once. Before blaming the mattress, consider what else was different:

• Light and noise: Hallway activity, traffic, bright curtains, or unfamiliar equipment sounds.
• Comfort: Different pillows, bedding, or room temperature.
• Timing: A late arrival, sleeping in transit, or crossing time zones.
• Evening habits: Later caffeine, alcohol, or a large late meal.
• Anticipation: An early flight, important meeting, or concern about oversleeping.

Standard sleep guidance emphasizes a quiet, comfortably cool, dark environment and a reasonably consistent routine. [2] Those basics still apply away from home, even when you cannot control everything.

First-night difficulties and jet lag are different

You can sleep poorly in a new room without changing time zones. If you have crossed several time zones, body-clock mismatch may be an additional issue. A room checklist cannot address every part of jet lag.

Your hotel and guest-room checklist

These are practical ways to apply familiar sleep habits. They are options, not requirements for getting a good night.

Bring a small piece of your usual routine

A familiar pillowcase, book, eye mask, or quiet audio may make the evening more comfortable. Choose something easy to pack rather than trying to recreate your bedroom exactly.

These items are comfort strategies. They have not been established as a guaranteed way to eliminate the first-night effect.

Leave room for a transition

If possible, finish unpacking and planning before your intended bedtime. A short period of quiet reading or another familiar activity can provide a gentler transition than arriving, checking messages, and immediately trying to sleep.

Avoid using alcohol as the solution

Alcohol may make sleep onset easier while making later sleep less continuous. A nightcap is not a dependable treatment for a restless hotel night. [3]

What if you are still awake?

First, remind yourself that an unfamiliar night can be imperfect. Repeatedly checking whether you are asleep yet can make the experience more frustrating.

If you are clearly awake and becoming agitated, take a quiet break from trying. Move to a comfortable chair or another safe spot in dim light and return to bed when sleepy. This approach is consistent with stimulus control, a component of insomnia treatment. [4]

In a shared room, prepare a low-disruption option beforehand, such as a book and a small reading light. Adapt the plan if moving around at night is unsafe.

Do not take extra doses of prescribed sleep medicine or add a new sedating product simply because the room is unfamiliar. Ask your prescriber about travel-related concerns before the trip.

The morning after a difficult night

1. Assess alertness before making plans. If you are struggling to stay awake, reconsider driving and other activities requiring quick reactions.
2. Allow recovery without chasing perfection. A reasonable routine may help, but do not deliberately remain severely sleep deprived to follow a schedule exactly.
3. Be deliberate about naps and caffeine. A long late nap or repeated late coffees may make the next bedtime more difficult.
4. Use what you learned about the room. Adjust the temperature, request different bedding, or ask about a quieter room if a specific issue is clear.

If sleep problems persist after returning home, or you regularly have substantial daytime sleepiness, seek an evaluation. Mention snoring, breathing pauses, pain, and medicines that may affect sleep.

Common questions

Aim for comfort and familiarity

Check the room, prepare for morning, and keep a simple evening routine. A less-than-perfect first night can happen without becoming a prediction for the rest of your trip.

Related: Napping Without Ruining Your Night’s Sleep