Quick Answer: The key is lowering your baby feet-first (not head-first) and keeping contact with your body until they're fully on the mattress. Wait until baby is in deep sleep (limp limbs, relaxed face), lower slowly while maintaining warmth and pressure, and stay close for a moment after putting them down. The startle reflex causes most wake-ups, and these techniques help minimize it.
---
Understanding Why Babies Wake Up
Watch: Baby Sleep Cues Every Parent Should Know
That frustrating moment when your peacefully sleeping baby wakes the instant they touch the mattress has a scientific explanation.
The Moro (Startle) Reflex
What It Is
What Happens
Primitive reflex present from birth
Baby feels like they're falling
Triggered by sudden movement
Arms fling out, back arches
Fades around 3-6 months
Baby wakes up crying
This reflex helped human babies survive by clinging to caregivers - but it makes putting babies down tricky!
Other Reasons Babies Wake
Feeling the temperature change
Losing the warmth and pressure of your body
Sensing they're no longer being held
Being put down too soon (still in light sleep)
---
The Two-Step Method That Works
Step 1: Lower Feet First
Instead of lowering baby head-first or all at once:
Hold baby close to your chest
Begin lowering by placing their feet and bottom on the mattress first
Keep your chest against their chest
Slowly lower their back
Lower their head last
Why This Works: The falling sensation that triggers the startle reflex is most intense when the head drops. By keeping the head supported longest, you minimize this trigger.
Step 2: Maintain Contact
Don't immediately stand up and walk away:
After baby is on the mattress, keep your hands on their chest
Apply gentle, steady pressure for 30-60 seconds
Slowly... very slowly... remove your hands
Stay close and still for another minute
Then quietly step away
Why This Works: The continued pressure mimics the feeling of being held, giving baby time to settle into sleep without noticing the change.
---
Preparing for the Transfer
Wait for Deep Sleep
Don't try to put baby down too early in their sleep cycle.
Signs of Light Sleep (NOT ready):
Eyes moving under eyelids
Twitching or moving
Facial expressions
Sounds or sucking movements
Fists clenched
Signs of Deep Sleep (Ready!):
Limbs are limp and heavy
Face is relaxed
Breathing is slow and regular
Hands open and relaxed
No eye movement
"Floppy arm test" - lifted arm falls loosely
The Floppy Arm Test
Gently lift baby's arm
If it's heavy and floppy, drops when released → deep sleep
If there's resistance or movement → wait longer
Tip: Most babies enter deep sleep about 20 minutes after falling asleep. Be patient!
---
The Complete Transfer Technique
Before You Start
Make sure crib/bassinet is ready (warmed if possible)
Room is dark and quiet
You're positioned close to the sleep surface
Step-by-Step
Wait for deep sleep (20+ minutes, floppy arm test passes)
Move slowly toward the crib
Lower feet first - bottom touches mattress
Keep chest contact as you lower their body
Lower head last while supporting it
Maintain gentle pressure on chest with both hands
Hold for 30-60 seconds without moving
Slowly slide out one hand at a time
Stay close for another minute
Step away quietly
---
Extra Tips That Help
Warm the Sleep Surface
A cold mattress can shock baby awake.
Options:
Place a warm (not hot!) water bottle on the mattress before transfer
Use a heating pad on low, remove before placing baby
Lay a worn t-shirt of yours on the mattress for warmth and scent
Use White Noise
Start white noise before the transfer
It masks household sounds
Provides continuous, soothing background
Helps baby stay asleep through the transition
Swaddle Before Sleep
Swaddling helps in two ways:
Prevents startle reflex from flinging arms out
Maintains warmth and security feeling
Makes baby feel "held" even when put down
Note: Stop swaddling once baby shows signs of rolling (usually around 3-4 months).
The "Butt First" Hold
When holding baby for sleep:
Support their bottom with one arm
Support head/neck with other hand
Their chest rests against yours
This position makes the feet-first transfer easier
---
What If Baby Still Wakes?
Troubleshooting
Problem
Solution
Wakes during transfer
Wait longer for deep sleep
Wakes right after put down
Maintain pressure longer
Wakes when you remove hands
Remove more slowly, one hand at a time
Wakes from startle
Try swaddling
Wakes from cold
Pre-warm the mattress
If Baby Wakes
Stay calm (babies sense stress)
Try gentle shushing and patting in the crib first
If fully awake, pick up and start over
Each attempt is practice - it gets easier
---
Age-Specific Tips
Newborns (0-3 months)
Startle reflex is strongest - swaddling helps most
Wait extra long for deep sleep
Keep transfers slow and smooth
Consider bassinet near your bed
3-6 months
Startle reflex fading
May still need slow transfer technique
Can start sleep training if desired
Swaddling may need to stop if rolling
6+ months
Most can be put down more easily
May benefit from consistent sleep routine
Can learn to self-soothe
Transfer technique less critical
---
Creating Good Sleep Habits
Before Sleep
Consistent bedtime routine
Dim lights 30 minutes before
Calm, quiet activities
Same sequence every night
The Environment
Factor
Ideal Setting
Temperature
68-72°F (20-22°C)
Light
Dark (blackout curtains help)
Sound
White noise or quiet
Crib
Firm mattress, no loose items
---
Frequently Asked Questions
Q: How long should I wait before putting baby down?
A: At least 20 minutes after they fall asleep. The floppy arm test is more reliable than timing - when their arm lifts and drops loosely, they're ready.
Q: My baby only sleeps when held - is this normal?
A: Very normal! Babies are biologically programmed to want contact. The transfer technique helps, but some babies take longer to adjust to sleeping independently.
Q: Should I stop holding my baby to sleep?
A: Not necessarily. Holding baby to sleep isn't "bad" - it's developmentally normal. If it works for your family, it's fine. If you want to change the pattern, sleep training methods can help after 4-6 months.
Q: What if my baby won't sleep on their back?
A: Back sleeping is safest and recommended by pediatricians. If baby struggles, ensure they're swaddled (if young), the room is comfortable, and try the transfer techniques. Consult your pediatrician if concerns persist.
Q: At what age does this get easier?
A: For most babies, transfers become much easier around 4-6 months when the startle reflex fades and sleep patterns mature. Hang in there!
---
Key Takeaways
Wait for deep sleep - Use the floppy arm test
Feet first - Lower bottom before head to avoid startle
Maintain contact - Keep pressure on chest after putting down
Go slow - Remove hands gradually, stay close
Warm the surface - Cold mattresses wake babies
Swaddle helps - Contains the startle reflex
It gets easier - This phase doesn't last forever
---
This article was reviewed by pediatricians at Babynama. Last updated: January 2026
---
Need personalized guidance?Book a consultation with our pediatricians or explore our Care Plans for 24/7 expert support!
Want Better Sleep for Your Baby?
Our expert-led sleep training program helps your baby (and you!) sleep through the night with personalized support.
