[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100530896":3},{"organization":4,"armGroups":7,"interventions":30,"overallOfficials":55,"centralContacts":62,"locations":72,"responsibleParty":92,"collaborators":95,"id":99,"slug":42,"hasResults":100,"nctId":101,"briefTitle":102,"officialTitle":103,"acronym":104,"eligibilityCriteria":105,"healthyVolunteers":106,"sex":107,"minAge":108,"maxAge":109,"enrollmentInfo":110,"targetDuration":42,"studyType":113,"phases":114,"briefSummary":116,"conditions":117,"keywords":42,"overallStatus":75,"whyStopped":42,"lastUpdateSubmitDate":122,"lastUpdatePostDateStruct":123,"startDateStruct":126,"completionDateStruct":128,"leadSponsor":130,"locationsCount":131},{"fullName":5,"class":6},"Baylor College of Medicine","OTHER",[8,16,21,26],{"label":9,"type":10,"description":11,"interventionNames":12},"Group 1","EXPERIMENTAL","Children will participate in 2 exposure conditions in their own homes (i.e., experimental and internal negative control), facilitated by research staff (one week apart, counterbalanced to control for possible order effects). The internal negative control will be the same for all groups, but the experimental exposure will differ. Both exposures will take place for 1 hour before bed in room lighting (40-50 lux).\n\nExperimental exposure: children in Group 1 will be exposed to a tablet with unfiltered bright screen light and exciting media content (BL\u002FEC).\n\nInternal negative control exposure: children will participate in non-screen-based quiet activities",[13,14,15],"Behavioral: no screen control with dim light and calming activities","Behavioral: unfiltered Bright tablet screen","Behavioral: Exciting content",{"label":17,"type":10,"description":18,"interventionNames":19},"Group 2","Children will participate in 2 exposure conditions in their own homes (i.e., experimental and internal negative control), facilitated by research staff (one week apart, counterbalanced to control for possible order effects). The internal negative control will be the same for all groups, but the experimental exposure will differ. Both exposures will take place for 1 hour before bed in room lighting (40-50 lux).\n\nExperimental exposure: children in Group 2 will be exposed to a tablet with unfiltered bright screen light and calming media content (BL\u002FCC).\n\nInternal negative control exposure: children will participate in non-screen-based quiet activities",[13,14,20],"Behavioral: Calming Content",{"label":22,"type":10,"description":23,"interventionNames":24},"Group 3","Children will participate in 2 exposure conditions in their own homes (i.e., experimental and internal negative control), facilitated by research staff (one week apart, counterbalanced to control for possible order effects). The internal negative control will be the same for all groups, but the experimental exposure will differ. Both exposures will take place for 1 hour before bed in room lighting (40-50 lux).\n\nExperimental exposure: children in Group 3 will be exposed to a tablet with filtered dim screen light and exciting media content (DL\u002FEC).\n\nInternal negative control exposure: children will participate in non-screen-based quiet activities",[13,25,15],"Behavioral: Filtered dim tablet screen",{"label":27,"type":10,"description":28,"interventionNames":29},"Group 4","Children will participate in 2 exposure conditions in their own homes (i.e., experimental and internal negative control), facilitated by research staff (one week apart, counterbalanced to control for possible order effects). The internal negative control will be the same for all groups, but the experimental exposure will differ. Both exposures will take place for 1 hour before bed in room lighting (40-50 lux).\n\nExperimental exposure: children in Group 4 will be exposed to a tablet with filtered dim screen light and calming media content (DL\u002FCC).\n\nInternal negative control exposure: children will participate in non-screen-based quiet activities",[13,25,20],[31,38,43,47,51],{"type":32,"name":33,"description":34,"armGroupLabels":35,"otherNames":36},"BEHAVIORAL","no screen control with dim light and calming activities","Non-screen-based quiet activities for 1 hour before bed in room lighting 40-50 lux",[9,17,22,27],[37],"internal negative control",{"type":32,"name":39,"description":40,"armGroupLabels":41,"otherNames":42},"unfiltered Bright tablet screen","Bright light screen media exposure will be delivered on an iPad Pro provided by the research team which will be set to the brightest light intensity setting for 1 hour before bed in room lighting 40-50 lux",[9,17],null,{"type":32,"name":44,"description":45,"armGroupLabels":46,"otherNames":42},"Filtered dim tablet screen","Filtered dim light screen media exposure will be delivered for 1 hour before bed in room lighting 40-50 lux on an iPad Pro provided by the research team. A blue light filter will be used to alter the spectral distribution of the emitted light and the screen brightness will be dimmed to the lowest possible setting",[22,27],{"type":32,"name":48,"description":49,"armGroupLabels":50,"otherNames":42},"Exciting content","We will create a 1-hour recording of movie clips containing exciting content from age-appropriate movies for 8- to 11-year-old children as rated by Common Sense Media.",[9,22],{"type":32,"name":52,"description":53,"armGroupLabels":54,"otherNames":42},"Calming Content","We will create a 1-hour recording of movie clips containing calming content from age-appropriate movies for 8- to 11-year-old children as rated by Common Sense Media.",[17,27],[56,59],{"name":57,"affiliation":5,"role":58},"Jennette P Moreno, PhD","PRINCIPAL_INVESTIGATOR",{"name":60,"affiliation":61,"role":58},"Candice A Alfano, PhD","Stony Brook University",[63,68],{"name":64,"role":65,"phone":66,"phoneExt":42,"email":67},"Insia Raza, MPH","CONTACT","713-798-0555","insia.raza@bcm.edu",{"name":69,"role":65,"phone":70,"phoneExt":42,"email":71},"Hafza Dadabhoy","718-798-0557","dadabhoy@bcm.edu",[73],{"facility":74,"status":75,"city":76,"state":77,"zip":78,"country":79,"countryCode":80,"cosmosGeoPoint":81,"geoPoint":86,"contacts":87},"Children's Nutrition Research Center","RECRUITING","Houston","Texas","77030","United States","US",{"type":82,"coordinates":83},"Point",[84,85],-95.36327,29.76328,{"lat":85,"lon":84},[88,89],{"name":64,"role":65,"phone":66,"phoneExt":42,"email":67},{"name":90,"role":65,"phone":91,"phoneExt":42,"email":71},"Hafza Dadabhoy, MS RD LD","713-798-0557",{"type":58,"investigatorFullName":93,"investigatorTitle":94,"investigatorAffiliation":5,"oldNameTitle":42,"oldOrganization":42},"Jennette P. Moreno, PhD","Assistant Professor",[96],{"name":97,"class":98},"Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)","NIH","100530896",false,"NCT06192745","SCREENS: Sleep, Circadian Rhythms, and Electronics in the EveNing Study","Experimental Effects of Light And Content From Evening Screen Media Use On Children's Sleep, Executive Functioning, And Emotion Regulation","SCREENS","Inclusion Criteria:\n\n* children between 8.0 and 11.9 year old\n* Tanner stage 1 and 2\n* live with their parent(s) (biological or legal guardian at least 50% of the time and has a primary role of caring for the child).\n* Children who sleep between 8.5 to 11 hours per night habitually\n* Children must sleep alone most nights\n* parent and child able to communicate and read and write in English\n* The child does not have to have access to a mobile device (tablet or Phone), but if they do, the primary device they use has to be an a) Android OS ≥5.0 either used only by the study child or shared with others, b) Amazon Fire OS ≥5.0 that only the child uses or c) an Apple iOS ≥14.0 that only the child uses.\n* If the child's primary device is a Android or Amazon Fired device, the parent and child agree to install Chronicle App (Android or Amazon). If the child's primary device is an Apple device, the parent and child agree to allow us to gather usage screenshots from the primary iPad or iPhone.\n* Families must live in the greater Houston area.\n\nExclusion Criteria:\n\n* child blindness or colorblindness\n* significant vision problems\n* developmental or cognitive delays\n* diagnosis of a sleep or psychiatric disorder\n* diagnosed cognitive or learning impairment affecting executive functioning (e.g., attention deficit hyperactivity disorder)\n* medical conditions that impact sleep\n* taking medications that impact sleep\n* travel beyond 2 time zones in the month before starting the study",true,"ALL","8 Years","11 Years",{"count":111,"type":112},220,"ESTIMATED","INTERVENTIONAL",[115],"NA","The proposed project aims to disentangle the impact of evening light exposure emitted from tablet devices from the impact of arousing media content on children's sleep regulation, circadian physiology and next-day emotion regulation and executive functioning.",[118,119,120,121],"Sleep","Circadian Rhythm","Executive Function","Emotion Regulation","2026-06-01",{"date":124,"type":125},"2026-06-03","ACTUAL",{"date":127,"type":125},"2025-01-10",{"date":129,"type":112},"2028-08-30",{"name":5,"class":6},1]