He cries as soon as the light goes out and doesn't stop. That is normal on the first night and has nothing to do with spoiling: for the first time in his life, your puppy has no siblings, no mother and no familiar smell around him. What helps now is closeness, not consistency. A sleeping spot right next to your bed, a T-shirt you have worn and calm, short trips out to go to the toilet settle most puppies within a few nights. Letting him cry it out, on the other hand, achieves nothing except robbing both sides of sleep.
Why he cries: panic, not defiance
An eight to ten week old puppy has only known life in the litter up to this evening: warm bodies left and right, constant noise, never really alone. And now he is lying in a strange room, it smells strange, sounds strange, and the familiar bodies are gone. The crying is not a demand and not a test of whether you give in. It is real separation anxiety, built in biologically just as it is in a human toddler. Anyone who reads it as defiance and consistently ignores it usually only prolongs the time until the puppy settles, because fear that nobody answers does not get smaller, it sets in.
On top of that, the puppy has no concept yet that you will be back tomorrow. For him, the closed door is not a “see you in a bit” but a “forever”. That is exactly why physical closeness works so much more strongly in the first nights than any training principle that will make sense later. Only once he has learned that being alone reliably ends can he also learn to cope with short separations.
Preparation in the evening
The first night gets easier if you prepare it instead of improvising. Four things make the biggest difference:
- The sleeping spot is next to your bed, not in the hallway or the kitchen. The puppy should be able to hear and smell you without seeing you.
- A T-shirt you have worn goes in the crate or basket. It costs nothing and still works more reliably than any cuddly toy from the pet shop.
- A hot water bottle wrapped in a towel replaces the body warmth of his littermates. Not too hot, hand-warm is enough.
- The last trip out is shortly before bedtime, after that only quiet, no more exciting play.
Deliberately do without visitors this evening. As lovely as it is to show off the new puppy, every extra stimulus makes the transition into the night harder, not easier. What else is coming up in the first days and what needs to be in the house beforehand is covered in Puppy checklist: essentials and the first 3 days.
The night, hour by hour
In the first hour after lights out he will almost always cry, sometimes only briefly, sometimes for quite a while. Let one hand hang down from the bed so he can smell you, and talk as little as possible. If he doesn't settle within a few minutes, or you get the impression he needs to go, take him outside. No talking, no light, no play: out, toilet, straight back in. Anything else signals to him that staying awake pays off.
Between midnight and the early morning hours is usually the calmest phase, provided the last trip out was shortly before sleep. If he wakes up in between and whimpers briefly, wait a moment before you react. Often he falls asleep again by himself. If the whimpering gets louder and continues, that is a signal from the bladder, no reason to worry. At eight weeks a puppy lasts about two hours in his sleep, at three months around three.
Towards early morning, usually between five and seven o'clock, he wakes for good and wants to go out and eat. That is not a bad habit but the natural rhythm of a puppy stomach and a puppy bladder that don't hold much yet.
What makes it worse
The advice “just let him cry so he learns” persists stubbornly, but it is outdated and, for a puppy in the first nights, simply misunderstood. Ignored crying in such a young animal does not turn into calm but into more stress, which shows up in the following nights. The opposite doesn't help either: picking the puppy up at night, playing with him or bringing him into your own bed when he really only needed to go to the toilet. He quickly learns from this that crying leads to attention and fun, and that is exactly what makes the next nights longer, not shorter. What helps most is consistency in your reaction: out when he needs to, calm when he is only unsure, and the same strategy every night, not a new one each evening.
When it gets better
After the first two to three nights, the crying eases noticeably in most puppies. After about a week, many sleep through with just one short break for the toilet, which stays for a few more weeks depending on age. What matters is comparing with your own puppy of yesterday, not with other people's success stories from the internet: some puppies need two nights, others two weeks, and both are within the normal range as long as you can see a direction towards improvement.
A short setback is also normal, for example after an exciting day, a vet visit or when the teeth change. That doesn't mean you are starting from zero again, only that one night is harder than the last three. Stick to the same strategy instead of trying something new with every setback.
When the nights get calmer and the bladder moves into the foreground, House training your puppy is the next step. And the weekly plan for the whole first month is in The first 30 days with a puppy.
When to call the vet
A little crying and restlessness on the first night are normal. It looks different if the puppy screams continuously instead of whimpering, if vomiting, diarrhoea or noticeable listlessness are added, or if he doesn't settle at all even after several nights and seems apathetic during the day. These can be signs of pain or a health cause that has nothing to do with separation anxiety. This article is no substitute for veterinary advice. If in doubt, it is better to call the vet once too early than to wait for days.
When these nights are over, there is often exactly one picture missing from that time. The puppy who didn't want to sleep looks better on acrylic glass or as a poster than in the phone gallery. You see the preview before anything is printed.
The complete starter pack, free
Everything important from the first thirty days on 50 printable pages: the honest shopping list, the first 72 hours hour by hour, a 4-week plan, a socialisation bingo with 50 experiences and the emergency page for the fridge.
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If you want to build up sleeping and staying alone beyond the first nights, you will find the way there in Welpenerziehung & Junghundtraining (Puppy Training & Young Dog Training).
Further reading
- Puppy checklist: essentials and the first 3 days: what should be in the house before this night
- House training your puppy: the topic that shapes the nights after
- Teaching your dog to be left alone: what the first night turns into, step by step
Source for bladder capacity: American Kennel Club, How to Potty Train a Puppy. Retrieved on 19.09.2026.
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