Sleeping on a plane is hard, but two of the biggest obstacles are cheap and easy to fix: light and noise. A cabin that dims and brightens, seatmate screens, and the constant drone of the engines all keep your brain alert. A simple sleep kit — an eye mask plus earplugs — is one of the highest-value things you can pack for a long flight. Here's how to build one that actually works.
1. Why blocking light and noise helps
Your body takes cues from its surroundings to decide whether it's time to sleep. Light is the strongest signal of all: even a little of it tells your brain to stay awake. Noise keeps you in lighter, more easily-interrupted sleep. Remove both and you give yourself a much better shot at drifting off — and staying off.
- Darkness first. A good eye mask blocks the cabin lights, window glare, and your neighbor's screen so your eyes aren't fighting to stay open.
- Quiet second. Earplugs lower the engine drone and cabin chatter to a level your brain can tune out.
- Consistency. Using the same kit every flight becomes a "time to sleep" ritual your body learns to respond to.
2. Eye masks: contoured vs flat
The two main styles differ in how they sit against your face, which affects both comfort and how well they block light.
| Type | Best for |
|---|---|
| Contoured (3D) | Molded eye cups leave space so nothing presses on your eyelids — good if you flutter your eyes or wear eye makeup, and comfortable for side sleepers. Slightly bulkier to pack. |
| Flat | Thin, light and packs tiny. Simple and cheap, but the fabric rests on your eyes and can let in more light around the nose. |
Whichever style you pick, the fit matters most: look for an adjustable strap and good coverage around the nose, which is where light usually sneaks in.
3. Earplugs and noise reduction
Earplugs are rated by NRR (Noise Reduction Rating) — a higher number means more sound blocked, though real-world reduction depends heavily on getting a proper seal. There are two common types.
- Foam earplugs — cheap, disposable, and often block the most noise when inserted correctly (roll, insert, hold while they expand). Great to keep a few spares in your bag.
- Reusable (silicone/flanged) earplugs — washable, longer-lasting, and easier to insert consistently; many people find them more comfortable for hours of wear.
- Fit is everything. No earplug works well if it doesn't seal — if you still hear everything clearly, reseat them or try a different size.
- Note on rules: earplugs are fine for sleeping, but stay reachable and aware enough to hear crew announcements and safety instructions.
4. Combining with a neck pillow, and hygiene
An eye mask and earplugs handle light and noise; a neck pillow handles the third problem — keeping your head from lolling so you don't jolt awake. Together the three cover the main reasons people can't sleep upright. Keep hygiene in mind too, since this gear touches your face and ears.
- Wash your eye mask periodically — it sits against your skin and picks up oils and makeup.
- Don't reuse foam earplugs indefinitely. They're cheap; swap in a fresh pair, and clean reusable ones per the maker's instructions.
- Keep the kit in a small pouch so it stays clean in your bag and is easy to grab once the cabin lights dim.
For the bigger picture on resting and arriving fresh, see our long-haul flight guide and tips on beating jet lag.