LittleHippo Nessi Sleep Training Clock
The LittleHippo Nessi Sleep Training Clock plays 7 sounds, per LittleHippo. Small USB-C powered clock, night light and sound machine with a red moon-and-stars bedtime face and a green sun face at wake time.
- $29.99List price
- 7Sounds
- USBPower
How the Nessi Sleep Training Clock stacks up
Against the 7 OK-to-wake clocks we track. The shaded band is where the middle half of them fall; the dot is this one.
Within the typical range for OK-to-wake clocks (6 to 7).
Below the typical range for OK-to-wake clocks ($49.99 to $64.99).
What sets the Nessi Sleep Training Clock apart
Measured against the 7 OK-to-wake clocks we compare, from each maker's published specs.
Next to its closest matches
- Cloud b Owlie Sleep TrainerNext to it, the Nessi Sleep Training Clock is 3 more sounds; $20 less.
Clock details
| OK-to-wake light | Yes |
|---|---|
| Sounds | 7 |
| Night light | Yes |
| Light colors | 4 night light colors |
| Timer | Yes |
| Two-way audio | No |
| Shows room temperature | No |
| Power | USB |
| Battery | CR2032 coin cell (memory backup) |
| Coin or button cell | Yes |
Listed features
- Lower price than Mella
- Two separate alarms
- Child lock
Worth checking
- Uses a CR2032 coin cell
- Power adapter not included
Where to buy the Nessi Sleep Training Clock
Prices and availability change. We may earn a commission from some links.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Nursery setup: see CPSC's Safe Nursery guide and the AAP's guide to safe sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| LittleHippo Nessi Sleep Training Clock | |
|---|---|
| Type | OK-to-wake clock |
| List price | $29.99 |
| Power | USB |
| Battery | CR2032 coin cell (memory backup) (coin or button cell: keep the battery door closed and spares out of reach) |
| Sounds | 7 |
| Night light | Yes, 4 night light colors |
| Projector | No |
| Timer | Yes |
| OK-to-wake light | Yes |
| Two-way audio | No |
| Thermometer | No |
| Size | 4 × 4 × 4 in |
| Weight | 0.5 lb |
Compare the Nessi Sleep Training Clock with
How each closest rival differs from the Nessi Sleep Training Clock, from the makers' specs.
- YogasleepLight to RiseCompare side by side
- CapelloKids' Wake-Up Light Cloud Alarm ClockCompare side by side
- Cloud bOwlie Sleep Trainer4 sounds$49$49.99
- 3 fewer sounds
- $20 more
- LittleHippoMella Ready to Rise6 sounds$64$64.99
- 1 fewer sound
- $35 more
Nessi Sleep Training Clock: questions answered
From LittleHippo's published specs, last checked 2026-11-02.
What batteries does the LittleHippo Nessi Sleep Training Clock use?
CR2032 coin cell (memory backup). Keep household products out of children's reach. Poison Control: 1-800-222-1222 (poison.org). Check the label and the maker's instructions, and ask your pediatrician about your child.
What age is the LittleHippo Nessi Sleep Training Clock for?
Check the maker's age guidance.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
Where these specs come from
Last checked 2026-11-02. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.