Effects of heated eye mask use and the presence or absence of aroma on stress indicators and psychological state

Effects of using a chamomile essential oil hot eye mask on psychological state and sleep quality: A crossover controlled trial - Effects of using a chamomile essential oil hot eye mask on psychological state and sleep quality: A crossover controlled trial

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000061098

Enrollment

Registered

2026-03-30

Start date

2026-05-05

Completion date

Unknown

Last updated

2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy adult

Interventions

Intervention 1: Participants will use a heated eye mask without aroma at bedtime. Intervention 2: Participants will use a heated eye mask with aroma at bedtime. Control condition: Participants will no

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Those who have received sufficient explanation about the purpose and contents of this research, have the ability to consent, volunteered voluntarily after fully understanding, and agreed to participate in writing.

Exclusion criteria

Exclusion criteria: Exclusion criteria for study participation are as follows: 1)Individuals who decline to participate of their own will 2)Those who cannot distinguish scents 3)Those who have had an allergic reaction in the patch test at the time of study registration

Design outcomes

Primary

Measure	Time frame
Changes in stress levels will be assessed using the DASS-21 (Depression Anxiety Stress Scales-21).	—

Secondary

Measure	Time frame
1) The effects of hot eye mask use on depression and anxiety will be evaluated using the DASS-21. 2) Salivary amylase activity will be measured as a physiological indicator of psychological and physical stress, and short-term changes (after the first day of use) and long-term changes (after 6 consecutive days of use) will be evaluated. 3) The effects of hot eye mask use on subjective well-being will be evaluated using the SHS, assessing short-term changes (after the first day of use) and long-term changes (after 6 consecutive days of use). 4) Using the OSA-MA, short-term (the morning after the first use) and long-term (the morning after 6 consecutive days) changes will be assessed to evaluate effects on sleep upon awakening and subjective sleep quality.	—

Measure

Time frame

1) The effects of hot eye mask use on depression and anxiety will be evaluated using the DASS-21. 2) Salivary amylase activity will be measured as a physiological indicator of psychological and physical stress, and short-term changes (after the first day of use) and long-term changes (after 6 consecutive days of use) will be evaluated. 3) The effects of hot eye mask use on subjective well-being will be evaluated using the SHS, assessing short-term changes (after the first day of use) and long-term changes (after 6 consecutive days of use). 4) Using the OSA-MA, short-term (the morning after the first use) and long-term (the morning after 6 consecutive days) changes will be assessed to evaluate effects on sleep upon awakening and subjective sleep quality.

—

Countries

Japan

Contacts

Public ContactNobuyuki Wakui

Hoshi University Practical Education and Research Division

n-wakui@hoshi.ac.jp03-5498-5760

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 19, 2026