Baby Blues, Postnatal Depression or Just Really Bad Sleep? Here is How to Tell the Difference

Can I be honest with you about something?

When you are a few weeks postpartum, exhausted beyond anything you have ever experienced and feeling like everything is just a little bit wrong, it is really hard to know what is actually going on. Are you just tired? Is this the baby blues everyone talks about? Is it postnatal depression? Or is it something else entirely?

I get asked about this a lot. And I think it is one of the most important conversations we can have. So let us talk about it properly, in plain English, no jargon, no overwhelm. Just the honest truth about what each of these things actually is and how to tell them apart.

The baby blues

Almost every new mum gets the baby blues. We are talking around 80 percent of women. So if you cried at a nappy advert on day four and could not tell your partner why, you are in very good company.

The baby blues usually show up between day three and day five after birth. This is not a coincidence. It is exactly when your hormones, specifically oestrogen and progesterone, take a dramatic nosedive after the birth of your baby and your placenta. Your body has gone from sky high hormone levels to almost zero in a matter of days. Of course you are going to feel it.

The baby blues feel like being a bit all over the place emotionally. You might cry easily. You might feel irritable or anxious. You might feel strangely sad even though everything is objectively fine. You might feel overwhelmed by the smallest things.

The key thing to know about baby blues is that they pass. Usually within a week to two weeks, as your hormones start to settle, things begin to even out on their own. No treatment needed. Just time, support and as much rest as you can get.

Postnatal depression

Postnatal depression is different. It is not just the baby blues that have gone on a bit longer. It is a clinical condition that needs proper support and treatment, and it affects around one in five new mums.

The tricky thing about postnatal depression is that it does not always look the way people expect it to. It does not always mean crying all the time or not being able to get out of bed. Sometimes it looks like feeling completely numb. Sometimes it looks like going through the motions but feeling completely disconnected from your baby or your life. Sometimes it looks like being so anxious and hypervigilant that you cannot switch off for a single second.

Signs of postnatal depression include feeling low or empty most of the time. Losing interest in things you used to enjoy. Feeling like you are not a good enough mum no matter what you do. Having very little energy even beyond normal new baby tiredness. Finding it hard to bond with your baby. Feeling hopeless about the future. And in some cases having thoughts of harming yourself or your baby.

If any of that resonates with you please speak to your GP or health visitor as soon as you can. Postnatal depression is incredibly common, it is not your fault and it is very treatable. You do not have to just push through it.

If you are having thoughts of harming yourself or your baby please reach out for help right now. You can call the Samaritans any time on 116 123 or speak to your GP as an emergency.

So where does sleep deprivation fit in?

Here is the bit that nobody really talks about and I think it is so important.

Sleep deprivation on its own, with no other factors involved, can produce symptoms that look almost identical to postnatal depression. The low mood. The anxiety. The feeling of being disconnected from yourself and your life. The irritability. The inability to feel joy even when things are objectively okay. The sense that you are just not coping.

None of that necessarily means you have postnatal depression. It might mean you are severely sleep deprived. And those two things, while they can absolutely overlap, are different situations that need different responses.

This is not me saying do not take your mental health seriously. Please always take your mental health seriously. But it is me saying that if you are feeling really low and really anxious and really not yourself, it is worth asking the question: when did I last sleep properly? Because the answer might explain a lot.

How to tell them apart

This is genuinely tricky and I want to be honest with you about that. There is no simple test. But here are some things that might help you work out what you are dealing with.

Think about when it started. Baby blues come in the first week. Postnatal depression can start any time in the first year, sometimes not until you stop breastfeeding or go back to work. Sleep deprivation effects tend to build gradually over weeks of broken nights.

Think about whether there are any windows of feeling better. With pure sleep deprivation there are often moments, maybe after a slightly better night or when someone takes the baby for a few hours, where you feel noticeably more like yourself. With postnatal depression the low mood tends to be more persistent and less responsive to short term improvements in sleep.

Think about the thoughts you are having. Postnatal depression often comes with persistent negative thoughts about yourself as a parent, feelings of hopelessness and in more serious cases thoughts of harm. Sleep deprivation tends to produce more general foggy lowness rather than these specific thought patterns.

And if you genuinely cannot tell, please see your GP. That is exactly what they are there for. There is no threshold of suffering you need to reach before you are allowed to ask for help.

The overlap

It is also really important to say that these things are not mutually exclusive. You can have postnatal depression AND be severely sleep deprived. In fact sleep deprivation is known to both trigger and worsen postnatal depression in women who are already vulnerable to it.

Which is why addressing the sleep, not instead of getting mental health support but alongside it, can make a really meaningful difference to how you feel.

How I can help

I am Lottie, a Norland nanny with 10 years experience, 17 years in childcare altogether and OCN qualified through the Sleep Consultant Academy. Mental health is something I think about deeply in every family I work with because I know that sleep and wellbeing are completely intertwined.

If you are struggling and you think the sleep might be part of what is making things harder, I would love to help. My Sleep MOT at £98 gives you a focused hour to talk through what is going on. My Night Night by Zoom package at £349 gives you a full bespoke sleep plan, daily WhatsApp support and follow up calls over two to three weeks.

You deserve to feel well. You deserve to enjoy your baby. And you deserve support that actually helps.

Whatever you are going through right now, please know that you do not have to figure it out alone.

Reach out today. Whether that is to me, to your GP or to someone you trust. Just reach out.