<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE trials [
<!ELEMENT trials (trial+)>

<!ELEMENT trial (main,contacts,countries,criteria,health_condition_code,health_condition_keyword,intervention_code,
          intervention_keyword,primary_outcome,secondary_outcome,secondary_sponsor,secondary_ids,source_support,ethics_reviews)>

<!ELEMENT main (trial_id,utrn?,reg_name,date_registration,primary_sponsor,public_title,acronym?,scientific_title,scientific_acronym?,
          date_enrolment,type_enrolment,target_size,recruitment_status,url?,study_type,study_design,phase,hc_freetext?,i_freetext?,results_actual_enrolment,results_date_completed,results_url_link,results_summary,           results_date_posted,results_date_first_publication,results_baseline_char,results_participant_flow,results_adverse_events,results_outcome_measures,results_url_protocol,results_IPD_plan, results_IPD_description)>
<!ELEMENT trial_id (#PCDATA)>
<!ELEMENT utrn (#PCDATA)>
<!ELEMENT reg_name (#PCDATA)>
<!ELEMENT date_registration (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT primary_sponsor (#PCDATA)>
<!ELEMENT public_title (#PCDATA)>
<!ELEMENT acronym (#PCDATA)>
<!ELEMENT scientific_title (#PCDATA)>
<!ELEMENT scientific_acronym (#PCDATA)>
<!ELEMENT date_enrolment (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT type_enrolment (#PCDATA)>
<!ELEMENT target_size (#PCDATA)>
<!ELEMENT recruitment_status (#PCDATA)><!-- Pending,Recruiting,Suspended,Complete,Other -->
<!ELEMENT url (#PCDATA)>
<!ELEMENT study_type (#PCDATA)><!-- interventional,observational -->
<!ELEMENT study_design (#PCDATA)>
<!ELEMENT phase (#PCDATA)>
<!ELEMENT hc_freetext (#PCDATA)>
<!ELEMENT i_freetext (#PCDATA)>
<!ELEMENT results_actual_enrolment (#PCDATA)>
<!ELEMENT results_date_completed (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT results_url_link (#PCDATA)>
<!ELEMENT results_summary (#PCDATA)>
<!ELEMENT results_date_posted (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT results_date_first_publication (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT results_baseline_char (#PCDATA)>
<!ELEMENT results_participant_flow (#PCDATA)>
<!ELEMENT results_adverse_events (#PCDATA)>
<!ELEMENT results_outcome_measures (#PCDATA)>
<!ELEMENT results_url_protocol (#PCDATA)>
<!ELEMENT results_IPD_plan (#PCDATA)>
<!ELEMENT results_IPD_description (#PCDATA)>


<!ELEMENT contacts (contact+)>
<!ELEMENT contact (type,firstname,middlename,lastname,address,city,country1,zip,telephone,email,affiliation)>
<!ELEMENT type (#PCDATA)><!-- Public,Scientific -->
<!ELEMENT firstname (#PCDATA)>
<!ELEMENT middlename (#PCDATA)>
<!ELEMENT lastname (#PCDATA)>
<!ELEMENT address (#PCDATA)>
<!ELEMENT city (#PCDATA)>
<!ELEMENT country1 (#PCDATA)>
<!ELEMENT zip (#PCDATA)>
<!ELEMENT telephone (#PCDATA)>
<!ELEMENT email (#PCDATA)>
<!ELEMENT affiliation (#PCDATA)>

<!ELEMENT countries (country2+)>
<!ELEMENT country2 (#PCDATA)>

<!ELEMENT criteria (inclusion_criteria,agemin,agemax,gender,exclusion_criteria)>
<!ELEMENT inclusion_criteria (#PCDATA)>
<!ELEMENT agemin (#PCDATA)>
<!ELEMENT agemax (#PCDATA)>
<!ELEMENT gender (#PCDATA)>
<!ELEMENT exclusion_criteria (#PCDATA)>

<!ELEMENT health_condition_code (hc_code+)>
<!ELEMENT hc_code (#PCDATA)>

<!ELEMENT health_condition_keyword (hc_keyword+)>
<!ELEMENT hc_keyword (#PCDATA)>

<!ELEMENT intervention_code (i_code+)>
<!ELEMENT i_code (#PCDATA)>

<!ELEMENT intervention_keyword (i_keyword+)>
<!ELEMENT i_keyword (#PCDATA)>

<!ELEMENT primary_outcome (prim_outcome+)>
<!ELEMENT prim_outcome (#PCDATA)>

<!ELEMENT secondary_outcome (sec_outcome+)>
<!ELEMENT sec_outcome (#PCDATA)>

<!ELEMENT secondary_sponsor (sponsor_name+)>
<!ELEMENT sponsor_name (#PCDATA)>

<!ELEMENT secondary_ids (secondary_id+)>
<!ELEMENT secondary_id (sec_id,issuing_authority)>
<!ELEMENT sec_id (#PCDATA)>
<!ELEMENT issuing_authority (#PCDATA)>

<!ELEMENT source_support (source_name+)>
<!ELEMENT source_name (#PCDATA)>

<!ELEMENT ethics_reviews (ethics_review+)>
<!ELEMENT ethics_review (status,approval_date,contact_name,contact_address,contact_phone,contact_email)>
<!ELEMENT status (#PCDATA)><!-- Not approved,Approved,NA -->
<!ELEMENT approval_date (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT contact_name (#PCDATA)>
<!ELEMENT contact_address (#PCDATA)>
<!ELEMENT contact_phone (#PCDATA)>
<!ELEMENT contact_email (#PCDATA)>
]>
<trials>
  <trial>
    <main>
      <trial_id>IRCT20210804052077N1</trial_id>
      <utrn></utrn>
      <reg_name>IRCT</reg_name>
      <date_registration>2022-12-31</date_registration>
      <primary_sponsor>Allameh Tabataba'i University</primary_sponsor>
      <public_title>Investigating the effect of daytime nap on performance of attention, working memory, and recognition memory</public_title>
      <acronym></acronym>
      <scientific_title>Effect of daytime nap on performance of attention, working memory, and recognition memory</scientific_title>
      <scientific_acronym></scientific_acronym>
      <date_enrolment>2022-12-16</date_enrolment>
      <type_enrolment>anticipated</type_enrolment>
      <target_size>15</target_size>
      <recruitment_status>Complete</recruitment_status>
      <url>https://irct.ir/trial/66862</url>
      <study_type>interventional</study_type>
      <study_design>Randomization: N/A, Blinding: Not blinded, Placebo: Not used, Assignment: Single, Purpose: Supportive.</study_design>
      <phase>N/A</phase>
      <hc_freetext>cognitive functions.</hc_freetext>
      <i_freetext>Intervention 1: Intervention group: 30 minutes daytime nap, between 14:00 and 16:00. Intervention 2: Control group: without daytime nap.</i_freetext>
      <results_actual_enrolment></results_actual_enrolment>
      <results_date_completed></results_date_completed>
      <results_url_link></results_url_link>
      <results_summary></results_summary>
      <results_date_posted></results_date_posted>
      <results_date_first_publication></results_date_first_publication>
      <results_baseline_char></results_baseline_char>
      <results_participant_flow></results_participant_flow>
      <results_adverse_events></results_adverse_events>
      <results_outcome_measures></results_outcome_measures>
      <results_url_protocol></results_url_protocol>
      <results_IPD_plan>Undecided - It is not yet known if there will be a plan to make this available</results_IPD_plan>
      <results_IPD_description>Justification or reason for indecision in sharing IPD is We haven't decided yet - the release schedule is still unknown</results_IPD_description>
    </main>
    <contacts>
      <contact>
        <type>public</type>
        <firstname>Shahab Zare</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Zahedi 2 Alley, In front of Behpak company, shahid hashemi nejad Blvd</address>
        <city>Behshahr</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>4851635981</zip>
        <telephone>+98 11 3452 6925</telephone>
        <email>zare_shahab@atu.ac.ir</email>
        <affiliation>Allameh Tabatabai University</affiliation>
      </contact>
      <contact>
        <type>scientific</type>
        <firstname>Fariborz Dortaj</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Allameh Tabataba'i University, Varzesh Sq., Dehkadeh Olympic, Tehran, Iran</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>1489684511</zip>
        <telephone>+98 21 4473 7682</telephone>
        <email>dortaj@atu.ac.ir</email>
        <affiliation>Allameh Tabataba'i University</affiliation>
      </contact>
    </contacts>
    <countries>
      <country2>Iran (Islamic Republic of)</country2>
    </countries>
    <criteria>
      <inclusion_criteria>The entry criteria of the participants include having an age range between 25 and 50 years old.
body mass index (BMI) between 18.5 and 24.5
absence of any kind of sleep disorders and also neuro-cognitive disorders
not to be a shift worker</inclusion_criteria>
      <agemin>25 years</agemin>
      <agemax>50 years</agemax>
      <gender>Both</gender>
      <exclusion_criteria>using sleeping pills
Hearing problem
Colorblind
History of mental or neurological diseases</exclusion_criteria>
    </criteria>
    <health_condition_code>
      <hc_code>R41.89</hc_code>
    </health_condition_code>
    <health_condition_keyword>
      <hc_keyword>Other symptoms and signs involving cognitive functions and awareness</hc_keyword>
    </health_condition_keyword>
    <intervention_code>
      <i_code>Behavior</i_code>
      <i_code>Behavior</i_code>
    </intervention_code>
    <intervention_keyword>
      <i_keyword>Intervention group: 30 minutes daytime nap, between 14:00 and 16:00</i_keyword>
      <i_keyword>Control group: without daytime nap</i_keyword>
    </intervention_keyword>
    <primary_outcome>
      <prim_outcome>Attention. Timepoint: No experience of a daytime nap - another day after experiencing afternoon sleep for 30 minutes. Method of measurement: Stroop test.</prim_outcome>
      <prim_outcome>Working Memory. Timepoint: No experience of a daytime nap - another day after experiencing afternoon sleep for 30 minutes. Method of measurement: Back Digit Span Task.</prim_outcome>
      <prim_outcome>Recognition Memory. Timepoint: No experience of a daytime nap - another day after experiencing afternoon sleep for 30 minutes. Method of measurement: Auditory Verbal Learning Test.</prim_outcome>
    </primary_outcome>
    <secondary_outcome>
      <sec_outcome>Learning. Timepoint: No experience of a daytime nap - another day after experiencing afternoon sleep for 30 minutes. Method of measurement: Auditory Verbal Learning Test.</sec_outcome>
    </secondary_outcome>
    <secondary_sponsor>
      <sponsor_name></sponsor_name>
    </secondary_sponsor>
    <secondary_ids>
      <secondary_id>
        <sec_id></sec_id>
        <issuing_authority></issuing_authority>
      </secondary_id>
    </secondary_ids>
    <source_support>
      <source_name>Allameh Tabataba'i University</source_name>
    </source_support>
    <ethics_reviews>
      <ethics_review>
        <status>Approved</status>
        <approval_date>2022-08-27</approval_date>
        <contact_name>Research Ethics Committees of Allameh Tabataba'i University</contact_name>
        <contact_address>Allameh Tabataba'i University, Varzesh Sq., Dehkadeh Olympic, Tehran, Iran. Tehran Tehran Iran (Islamic Republic of)</contact_address>
        <contact_phone></contact_phone>
        <contact_email></contact_email>
      </ethics_review>
    </ethics_reviews>
  </trial>
</trials>
