1.Camerota, Marie & Propper, Cathi & Teti, Douglas. Intrinsic and extrinsic factors predicting infant sleep: Moving beyond main effects. Developmental Review. 53. 2019; 10.1016
2.Sette S, Baumgartner E, Ferri R, Bruni O. Predictors of sleep disturbances in the first year of life: a longitudinal study. Sleep Med 2017; 36:78‐85
3.Oskar J, O’Connor B. Children’s sleep: an interplay between culture and biology. Pediatrics 2005; 115 (1 Suppl ):204-16
4.Brooks SK, Webster RK, Smith LE et al. The psychological impact of quarantine and how to reduce it: rapid review of the evidence. Lancet 2020; 395: 912–20
5.Wang C, Pan R., Wan X et al. Immediate psychological responses and associated factors during the initial stage of the 2019 coronavirus disease (COVID-19) epidemic among the general population in china. Int J Environ Res Public Health 2020; 17 (5):1729
6.Ammar A, Mueller P, Trabelsi K, Chtourou H, Boukhris O, Masmoudi L et al. ECLB-COVID19 Consortium. Psychological consequences of COVID-19 home confinement: The ECLB-COVID19 multicenter study. PLoS One 2020; (11):15
7.Brazendale K, Beets MW, Weaver RG, et al.Understanding differences between summer vs. school obesogenic behaviors of children: the structured days hypothesis. Int J Behav Nutr Phys Act 2017; 14: 100
8.Cartanyà-Hueso À, Lidón-Moyano C, Cassanello P, Díez-Izquierdo A, Martín-Sánchez JC, Balaguer A, Martínez-Sánchez JM. Smartphone and Tablet Usage during COVID-19 Pandemic Confinement in Children under 48 Months in Barcelona (Spain). Healthcare (Basel). 2021;9(1):96
9.Orgilés M, Morales A, Delvecchio E, Mazzeschi C and Espada JP. Immediate Psychological Effects of the COVID-19 Quarantine in Youth From Italy and Spain. Front. Psycho 2020; 11:579038
10.Cassanello, P., Ruiz-Botia, I., Díez-Izquierdo, A. et al. How do infants and toddlers sleep in Spain? A cross-sectional study. Eur J Pediatr 2020; 180(3):775-782
11.Sadeh A. A brief screening questionnaire for infant sleep problems: validation and findings for an internet sample. Pediatrics 2004; 113(6)
12.Cassanello P, Díez-Izquierdo A, Gorina N, Matilla-Santander N, Martínez-Sanchez JM, Balaguer A. Adaptación y estudio de propiedades métricas de un cuestionario de valoración del sueño para lactantes y preescolares. An Pediatría. 2018;89(4): 230-237
13.Mindell JA, Leichman ES, DuMond C, Sadeh A. Sleep and Social-Emotional Development in Infants and Toddlers. J Clin Child Adolesc Psychol. 2017;46(2):236-246
14.Clark H, Coll-Seck AM, Banerjee A et al. A future for the world's children? A WHO–UNICEF–Lancet Commission. Lancet. 2020; 395: 605-658
15.Faulkner G, Rhodes RE, Brussoni M, Chulak-Bozzer T, Ferguson LJ, Mitra R, O'Reilly N, Spence JC, Vanderloo LM, Tremblay MS. Impact of the COVID-19 virus outbreak on movement and play behaviours of Canadian children and youth: a national survey. Int J Behav Nutr Phys Act. 2020;17(1):85
16.Moore SA, Faulkner G, Rhodes RE, Brussoni M, Chulak-Bozzer T, Ferguson LJ, Mitra R, O'Reilly N, Spence JC, Vanderloo LM, Tremblay MS. Impact of the COVID-19 virus outbreak on movement and play behaviours of Canadian children and youth: a national survey. Int J Behav Nutr Phys Act. 2020 Jul 6;17(1):85.
17.Pietrobelli A, Pecoraro L, Ferruzzi A, Heo M, Faith M, Zoller T, Antoniazzi F, Piacentini G, Fearnbach SN, Heymsfield SB. Effects of COVID-19 Lockdown on Lifestyle Behaviors in Children with Obesity Living in Verona, Italy: A Longitudinal Study. Obesity (Silver Spring). 2020;28(8):1382-1385
18.Arufe-Giráldez V., Sanmiguel-Rodríguez A., Zagalaz-Sánchez, M.L., Cachón-Zagalaz J. Gonzalez-Valero G. Sleep, physical activity and screens in 0-4 years Spanish children during the COVID-19 pandemic. Were the WHO recommendations met? Journal Human Sport and Exercise. 2020; 0 (0)
19.World Health Organization. (2019). Guidelines on physical activity, sedentary behaviour and sleep for children under 5 years of age. World Health Organization. https://apps.who.int/iris/handle/10665/311664. Licencia: CC BY-NC-SA 3.0 IGO
20.Cachón-Zagalaz, J.; Zagalaz-Sánchez, M.ªL.; Arufe-Giráldez, V.; Sanmiguel-Rodríguez, A.; González-Valero, G. Physical Activity and Daily Routine among Children Aged 0–12 during the COVID-19 Pandemic in Spain. Int. J. Environ. Res. Public Health 2021; 18, 703
21.Kitamura, 2015) S, Enomoto M, Kamei Y, et al. Association between delayed bedtime and sleep-related problems among community-dwelling 2-year-old children in Japan. J Physiol Anthropol. 2015;34(1):12
22.Sadeh A, Mindell JA, Luedke K, Wiegand B. Sleep and sleep ecology in the first 3 years: a web-based study. J Sleep Res 2009; 18(1): 60-73
23.Mindell JA, Sadeh A, Wiegand B, How TH, Goh DYT. Cross-cultural differences in infant and toddler sleep. Sleep Med 2010; 11(3):274-280
24.Lomeli HA, Pérez-Olmos I, Talero-Gutiérrez C, Moreno CB,González-Reyes R, Palacios L, de la Peña F, Muñoz-Delgado J (2008) Sleep evaluation scales and questionaries: a review. Actas Esp Psiquiatr 36(1):50–59
25.Lewandowski AS, Toliver-Sokol M, Palermo TM (2011) Evidence-based review of subjective pediatric sleep measures. J Pediatr Psychol 36(7):780–793
26.Díaz de Rada V. Problemas de representatividad en las encuestas con muestreos probabilísticos. Pap Rev School 2018; 74:45