16 weeks: most puppies sleep through the night and drop to 6–8 potty trips. Adolescence is starting — this schedule keeps the routine solid despite it.
Sixteen weeks is a turning point. Most puppies can now hold their bladder for 4–5 hours and are sleeping through the night. You are down to 6–8 potty trips per day. The relentless overnight alarms are almost behind you.
The tricky part: this is also when the second fear period arrives and when adolescence begins signaling its approach.
| Time | Activity |
|---|---|
| 6:30 AM | Wake up then potty |
| 6:45 AM | Breakfast (meal 1) |
| 7:00 AM | Potty break |
| 7:15–9:30 AM | Play + training + morning walk |
| 9:30 AM | Potty break |
| 9:45 AM–12:00 PM | Morning nap or calm time |
| 12:00 PM | Potty break |
| 12:15 PM | Lunch (meal 2) |
| 12:30 PM | Potty break |
| 12:45–3:30 PM | Active time or socialization |
| 3:30 PM | Potty break |
| 3:45–5:30 PM | Afternoon nap |
| 5:30 PM | Potty break |
| 5:45 PM | Dinner (meal 3) |
| 6:00 PM | Potty break |
| 6:15–8:00 PM | Family time + short training session |
| 8:15 PM | Final potty + bedtime |
No overnight alarms needed for most puppies at this point.
Expected trips per day: 6–8
Most 4-month puppies are significantly more reliable than they were at 3 months. However, a regression around 16–20 weeks is common and well-documented. It usually coincides with one of the following:
Maintain the schedule and do not punish accidents. The regression is temporary — 2–3 weeks for most puppies.
By 4 months, most puppies are on 3 meals. If you have not made the transition yet, this is the time. Transition over 5–7 days by reducing the 4th meal and redistributing those calories across the other three.
Remove uneaten food after 15 minutes. Free-feeding at this age makes potty timing unpredictable.
The second primary fear period occurs around 14–16 weeks. Your previously bold puppy may suddenly become cautious about things they were fine with last month — the garbage truck, a stranger, a new surface.
What to do: Do not force. Do not flood. Do not dismiss it as "being dramatic." Let the puppy approach on their own terms, use high-value treats for voluntary approach, and move on without making a big event of the hesitation.
What not to do: Push the puppy toward the scary thing to "show them there is nothing to fear." This can create lasting negative associations.
This phase typically lasts 1–3 weeks.
The second teething wave peaks between 4–6 months as permanent teeth replace deciduous teeth. Expect:
Management: Frozen Kongs, cold rubber chews, frozen carrots. Increase chew availability, not training corrections. The biting is driven by gum discomfort, not disobedience.
Use the 5-minute-per-month rule for structured walks: 5 minutes per month of age, twice daily. At 4 months: 20 minutes twice a day.
This limit exists because joint growth plates are still open. Over-exercise on hard surfaces before 12–18 months (depending on breed size) can cause long-term orthopedic problems. Free play in grass is lower-impact and can be longer.
Mental stimulation — training, puzzle feeders, sniff walks — is equally important and does not carry the same physical risk.
A 4-month puppy can focus for 15–20 minutes per session. Work on:
The socialization window is now closed. What you have built is what you have. Focus on reinforcing existing positive associations rather than introducing major new experiences.
Most puppies sleep 6–8 hours straight by this point. If yours still wakes at night reliably:
By 4 months you have 2+ months of logged data in Puppy AI. Look at your accident patterns — when accidents happen at this age, they are usually tied to specific triggers (excitement, long intervals, schedule disruption) rather than general bladder immaturity. Bony can help you identify the pattern.