Bed shakers for hearing aid and cochlear implant users at night
Short answer: the alarm has to do its job during the exact hours your hearing aids or cochlear processor are switched off and sitting in a dehumidifier case on the nightstand — so a sound-based alarm is trying to solve the wrong problem at the wrong time. A bed shaker under the pillow or mattress, wired to a bedside clock, doesn't care whether your ears are working, because it was never asking your ears to do anything. What most advice on this skips is the boring part: how the shaker pad, its cable, and your aid-charging case are all supposed to share one small patch of nightstand without tripping over each other.
The gap between lights-out and lights-on
Most hearing aid users take their devices out before sleep, and most audiologists recommend it — moisture, comfort, feedback from lying on an aid, and giving the ear canal a break from being occluded all day are the usual reasons. Cochlear implant processors come off too, since the external unit isn't designed to be worn or slept on. The result is the same for both: for as long as you're asleep, your hearing is whatever it would be with nothing in or on your ears, which for many users is very little. Alarms when you wear hearing aids goes through the removal question in more depth, including the handful of situations where sleeping in aids is a reasonable choice to make with an audiologist. This piece assumes the aids are out, which is the more common case, and focuses on what to do about the alarm and the charger sitting next to each other.
Tactile options that don't depend on your ears
Two formats solve the "aids are out" problem by routing around hearing entirely rather than trying to be loud enough to punch through it:
A bed shaker is a wired pad that sits under the pillow or under the mattress, connected to a bedside clock. It shakes the whole sleeping surface, which is why it's generally treated as the stronger of the two signals — it doesn't depend on precise contact with your skin the way a worn device does. It's mains-powered furniture, though: it stays in one bedroom and it wakes anyone else sharing the bed.
A wrist-worn vibration band puts the buzz against your skin instead of the mattress. It's the option that travels, and the only one that won't wake a partner. Bed shaker vs wrist vibration alarm covers the full trade-off; the short version is that most people who sleep in their own bed most nights start with a shaker and add a band for everywhere else, a pairing also covered in the best vibrating alarm for deaf and hard-of-hearing sleepers.
Building a charging routine around the alarm, not against it
Here's the part that's specific to aid and processor users and rarely gets written about: your nightstand already has a job before the alarm shows up. Aids typically go into a charging case or a drying/dehumidifier unit overnight, which wants its own outlet and a flat, stable spot. Add a mains-powered bed shaker clock and you've got two devices, two cables, and one small surface.
A few things make this easier in practice. Keep the aid charging case and the alarm clock on opposite ends of the nightstand rather than stacked, so neither cable has to cross the other — a shaker pad's cable running under or near a charging case is an easy way to end up unplugging the wrong thing half-asleep. If your nightstand only has one outlet within reach, a small surge-protected power strip solves the crowding without anyone needing to reach across the bed to a wall socket. And because you won't have aids in to hear a beep or a chime confirming the charger's seated properly, get in the habit of checking it by feel or by the case's own indicator light before you turn in — a routine, not a hope.
Placement of the shaker pad itself is worth deciding once and keeping consistent: under the pillow tends to put more of the vibration close to your head with less mattress in the way, while under the mattress spreads it across more of your body. Neither is universally correct, and how much of it reaches you depends partly on what your mattress is made of — why mattress type changes shaker strength explains that part in full; the short version here is that a foam mattress will damp more of the signal than an innerspring, so it's worth testing both placements on your own bed rather than assuming the box photo is right for you.