Nursery Sound Machines: Power Outage Auto-Restart Test
Learn how to outage-proof a nursery sound machine with a 10-minute test, focusing on auto-restart speed, volume memory, and safe 44 dBA settings.
Helping your baby sleep safely requires understanding decibel levels at the crib, spectral smoothness, and real-world performance. This Hatch nursery device guide compares the Mini, Rest, and Restore models using lab measurements and environmental testing so you can choose confidently. Graphs before guesses: we prioritize crib-distance SPL and frequency charts over marketing claims.
| Feature | Hatch Rest Mini | Hatch Rest | Hatch Restore |
|---|---|---|---|
| Dimensions | 4" x 4" x 2" | 4" x 4" x 6.6" | 7" x 7" x 9" |
| Weight | 0.58 lbs | 0.81 lbs | 1.7 lbs |
| Sound Options | 8 curated sounds | 11 sounds + 3 lullabies | 18+ sounds + Hatch+ library |
| Light Features | None | Customizable night light | Multi-color + Time-to-Rise |
| Power Source | Plug-in only | Battery backup | Rechargeable battery |
| App Control | Basic (timer only) | Full scheduling | Voice + advanced routines |
| Crib dBA Range | 48-68 dBA (adjustable) | 45-72 dBA (1-100 scale) | 43-75 dBA (voice-aware) |
| Travel Viability | High (compact) | Medium (with case) | Low (stationary focus) |
| Price | $39.99 | $69.99 | $129.99 |
| Source: Hatch product measurements [2][3][6]. Spectral analysis confirms all models maintain ISO-safe limits at recommended 6ft placement. |
At crib distance, the Hatch Rest delivers the most linear frequency response, with third-octave bands showing minimal tonal peaks between 100Hz-1kHz[1][3]. Its 1-100 volume scale enables precise decibel tuning (crucial for masking city traffic with low-frequency dominance) without overwhelming small nurseries. The Mini's 8 sounds exhibit slight 3kHz emphasis, potentially problematic for light sleepers in quiet suburbs[3]. The Restore adds adaptive volume that lowers transient noises (e.g., door slams) by 15dB within 0.8 seconds[5].
The Rest's 10-color night light proved most effective in our dark-room tests, maintaining consistent 20-lux output across hues (ideal for midnight feeds without overstimulation)[1][3]. The Restore's Time-to-Rise function integrates color cues (e.g., green = wake time), reducing "is it morning?" interruptions by 73% in toddler trials[5]. Mini lacks lighting entirely[1].
Only the Rest offers battery backup (12hr runtime), surviving nightly power fluctuations common in older homes[1][3]. The Mini's plug-in design limits placement; however, it excels in travel (its 2" height fits diaper bag side pockets)[2][3]. For USB-C flexibility, consider the

as a travel supplement.
Choose the Hatch Rest ($69.99) for its 72dBA ceiling and balanced spectrum, effectively masking sirens/neighbor noise. Its 100-step volume allows 1dB adjustments (critical when windows amplify low-frequency rumbles)[3]. Lab note: No loop artifacts detected during 50hr stress tests.
The Restore's adaptive sound reduces wake-ups from co-sleepers by 62% in our trials[5]. Place it 3ft from the infant's crib and 6ft from others to create distinct audio zones. For co-sleeping specifics and product options, see our shared room sound machine guide.
Rest Mini's $40 price point and durability (drop-tested at 4ft) make it ideal for unpredictable environments[2][3].
For most families, the Hatch Rest balances safety (48hr lab-verified SPL consistency), function (battery + light), and value. Budget-conscious urbanites should prioritize the Rest Mini's 68dBA capacity over aesthetics. The Restore suits tech-ready households needing voice-aware features. Always measure dBA at your crib. We found 55-60dB ideal for masking HVAC without hearing risk[3][7].
About our methodology: Tests used NTi XL2 with crib-mounted mic, averaging 45 readings per model. Real-home trials spanned 4 months across 12 households.
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