Huffingtonpost iconHuffingtonpostSep 6, 2026 ~2 min source read

The First-Night Effect: Why you can’t sleep in an unfamiliar bed

When you move to a new place, tiredness doesn’t always mean sleep. Researchers say predictable cues from your home help your brain relax; without them, it stays on alert. Practical steps can reduce that first-night restlessness.

The Sweet Reason You Can’t Sleep On Your First Night Away From Home

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Useful takeaways from this story.

The “First-Night Effect” is a common reaction: an unfamiliar sleep environment can make your brain lighter and more alert, even when you feel tired.

Internal sleep signals (lowered core temperature, rising melatonin) need matching external cues (routine, familiar items) for smooth sleep onset.

Bring familiar sleep items—pillowcase, sleep mask, a scent—and avoid scheduling demanding activities the morning after arrival to give yourself time to adjust.

The useful part

fcafotodigital via Getty Images New research says those who go to bed after 1 a.m. Though my Instagram stories tell a different story, my first day of travel is always tinged with a little delirium. Airports, flying, navigating a new country and then, horror of all horrors, trying to sleep in a new bed.

How it works

  • As much as I love it, I'm not a particularly great traveller as it is but that first night, no matter how tired I am, I just feel extremely out of sorts and find myself missing my own very comfortable, very...
  • Advertisement It turns out, no matter how strange I think I am for this, it's actually very common.
  • They say: "Internally, your body signals that it's time to sleep by decreasing core body temperature and increasing the sleep-promoting hormone melatonin.
  • Advertisement "Externally, your environment needs to support these signals, not compete with it.
  • How to avoid the First-Night Effect One of the pieces of advice the researchers offer is self-care in a very real sense.

What to take from it

Just as parents might do for their small child, pack your sleep routine with you. "If you have a particular pillow case or a sleep mask, or a certain scent that helps you sleep at home, try bringing these with you so your brain has some familiar cues in an unfamiliar environment." Can do. They also recommend not doing anything too strenuous on your first full day of your holiday, saying: "If you know you're sleeping somewhere new, expect that the first night might not be your best.

Example or evidence

  • What the First-Night Effect is Writing for The Conversation, Charlotte Gupta a Sleep Researcher at the Appleton Institute and Dayna Easton Postdoctoral Research Fellow, College of Medicine and Public...
  • The researchers add: "From an evolutionary perspective, lighter sleep or more frequent awakenings when we're somewhere new may be protective, allowing us to detect potential threats more quickly and respond...

Details worth keeping

What's Hot Skip to Main Content × Main Menu U.K. regularly are more likely to develop a mental health disorder. At home, your typical pre-sleep wind-down habits and familiar surroundings tell your body it is safe to sleep." Of course, in a new place with an unfamiliar sleep environment, that built-in safety check is in disarray and even if we feel physically tired, our brains are still on high-alert, leaving us feeling wired and restless.

Related coverage

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  • Psychologytoday: Though homesickness is a common first-year problem, it can feel like a crisis to those who are going through it. Here's why it happens and six practical steps that help it pass.
  • Mirror: Many cat owners believe their pet chooses to sleep on their bed simply for comfort or because they're so tired, but according to experts there's a sweet alternative reason
  • U Student: Moving to university is a big change.
  • Thoughtsonlifeandlove: Home is often described as a place of comfort, but familiar surroundings do […]

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