https://regressionnights.nitre.org/ Evidence-based explanations of infant and toddler sleep regressions, sleep training methods and nap transitions — written for parents at 3am. en https://regressionnights.nitre.org/articles/co-sleeping-to-crib-transition/ https://regressionnights.nitre.org/articles/co-sleeping-to-crib-transition/ Transitioning from co-sleeping to the crib is a significant change for baby and parent. Here is how to approach it gradually, what to expect, and how to handle setbacks. Mon, 07 Sep 2026 00:00:00 GMT https://regressionnights.nitre.org/articles/early-morning-waking/ https://regressionnights.nitre.org/articles/early-morning-waking/ Early morning waking in babies and toddlers is usually caused by too-late bedtime, overtiredness, too much daytime sleep, light exposure, or schedule issues. Here is how to diagnose and fix it. Fri, 14 Aug 2026 00:00:00 GMT https://regressionnights.nitre.org/articles/night-weaning/ https://regressionnights.nitre.org/articles/night-weaning/ Night weaning is the process of eliminating overnight feeds. Here is when babies are ready, how to approach it gradually, and what to expect. Tue, 21 Jul 2026 00:00:00 GMT https://regressionnights.nitre.org/articles/drowsy-but-awake/ https://regressionnights.nitre.org/articles/drowsy-but-awake/ Drowsy but awake is the foundation of self-settling. Here is what the concept actually means, why it matters for sleep, and practical strategies when it does not seem to work. Sat, 27 Jun 2026 00:00:00 GMT https://regressionnights.nitre.org/articles/bedtime-routine/ https://regressionnights.nitre.org/articles/bedtime-routine/ A consistent bedtime routine is the single most evidence-supported sleep intervention for babies and toddlers. Here is how to build one and why it works. Wed, 03 Jun 2026 00:00:00 GMT https://regressionnights.nitre.org/articles/contact-naps/ https://regressionnights.nitre.org/articles/contact-naps/ Contact naps are normal in early infancy. Here is why babies prefer them, when they become a problem, and how to transition to crib naps if you choose to. Sun, 10 May 2026 00:00:00 GMT https://regressionnights.nitre.org/articles/nap-transition-2-to-1/ https://regressionnights.nitre.org/articles/nap-transition-2-to-1/ The transition from two naps to one typically happens between 13 and 18 months. Here is how to manage the awkward in-between phase and avoid the overtiredness trap. Thu, 16 Apr 2026 00:00:00 GMT https://regressionnights.nitre.org/articles/nap-transition-3-to-2/ https://regressionnights.nitre.org/articles/nap-transition-3-to-2/ The transition from three naps to two typically happens between 6 and 9 months. Here is how to tell when your baby is ready and how to manage the shift. Mon, 23 Mar 2026 00:00:00 GMT https://regressionnights.nitre.org/articles/ferber-vs-extinction/ https://regressionnights.nitre.org/articles/ferber-vs-extinction/ Ferber (graduated extinction) and full extinction both teach babies to self-settle. Here is how they differ, what the evidence says, and how to decide. Fri, 27 Feb 2026 00:00:00 GMT https://regressionnights.nitre.org/articles/gentle-sleep-training/ https://regressionnights.nitre.org/articles/gentle-sleep-training/ Gentle sleep training methods include bedtime fading, chair method, pick-up-put-down, and gradual parental withdrawal. Here is how each works and what the research shows. Tue, 03 Feb 2026 00:00:00 GMT https://regressionnights.nitre.org/articles/cry-it-out-method/ https://regressionnights.nitre.org/articles/cry-it-out-method/ Full extinction (cry it out) means putting your baby down awake and not returning until morning. Here is what the method involves, what the evidence shows, and who it works for. Sat, 10 Jan 2026 00:00:00 GMT https://regressionnights.nitre.org/articles/2-year-sleep-regression/ https://regressionnights.nitre.org/articles/2-year-sleep-regression/ The 2-year sleep regression brings nightmares, bedtime stalling, and boundary-testing. Here is what drives it and how to navigate it. Wed, 17 Dec 2025 00:00:00 GMT https://regressionnights.nitre.org/articles/18-month-sleep-regression/ https://regressionnights.nitre.org/articles/18-month-sleep-regression/ The 18-month sleep regression combines a language explosion, growing independence, separation anxiety, and teething into one of the more challenging sleep disruptions. Here is what to expect. Sun, 23 Nov 2025 00:00:00 GMT https://regressionnights.nitre.org/articles/12-month-sleep-regression/ https://regressionnights.nitre.org/articles/12-month-sleep-regression/ The 12-month sleep regression is tied to walking, early language, and a premature attempt to drop to one nap. Here is what to expect and how to handle it. Thu, 30 Oct 2025 00:00:00 GMT https://regressionnights.nitre.org/articles/6-month-sleep-regression/ https://regressionnights.nitre.org/articles/6-month-sleep-regression/ Not every baby has a 6-month sleep regression, but many do experience disrupted sleep around this age. Here is what drives it and what helps. Mon, 06 Oct 2025 00:00:00 GMT https://regressionnights.nitre.org/articles/infant-sleep-regression-overview/ https://regressionnights.nitre.org/articles/infant-sleep-regression-overview/ A complete guide to infant sleep regressions at 4, 8, 12, and 18 months, including what causes each one and how long to expect the disruption. Fri, 12 Sep 2025 00:00:00 GMT https://regressionnights.nitre.org/articles/sleep-training-what-the-evidence-says/ https://regressionnights.nitre.org/articles/sleep-training-what-the-evidence-says/ An overview of sleep training methods for babies and toddlers, what the research shows about each, and how to decide which approach fits your family. Tue, 19 Aug 2025 00:00:00 GMT https://regressionnights.nitre.org/articles/8-month-sleep-regression/ https://regressionnights.nitre.org/articles/8-month-sleep-regression/ The 8-month sleep regression is driven by separation anxiety and motor development. Here is what causes it, how long it typically lasts, and what you can do. Sat, 26 Jul 2025 00:00:00 GMT https://regressionnights.nitre.org/articles/ferber-method/ https://regressionnights.nitre.org/articles/ferber-method/ The Ferber method uses timed check-ins to help babies learn to self-settle. Here is what it involves, what the research shows, and what to realistically expect. Wed, 02 Jul 2025 00:00:00 GMT https://regressionnights.nitre.org/articles/4-month-sleep-regression/ https://regressionnights.nitre.org/articles/4-month-sleep-regression/ The 4-month sleep regression is a permanent shift in how your baby sleeps. Here is what is happening developmentally and what actually helps. Sun, 08 Jun 2025 00:00:00 GMT