Table 3 Sources of sound during sleep-protected time in the ICU.

From: Impact of sound levels and patient-related factors on sleep of patients in the intensive care unit: a cross-sectional cohort study

Factor

Number of patients (%)

Factor

Number of patients (%)

Sound of monitor

30 (97)

Coughing (P)

5 (16)

Conversations

26 (84)

Respirator (NP)

5 (16)

Pressure reliving mattress

25 (81)

Respirator (P)

4 (13)

Closing of a waste bin

24 (77)

Snoring (NP)

4 (13)

Syringe/IV drip changed (P)

22 (71)

Sound of water in bathroom (IR)

4 (13)

Syringe/IV drip changed (NP)

16 (52)

Telephone ringing

3 (10)

Infusion pump alarm

16 (52)

Fan

3 (10)

Change of dialysate bags

15 (48)

Fireworks display outside

2 (7)

Oxygen therapy

10 (32)

Nebulisation

2 (7)

Disposable nappy change

9 (29)

Delirium

2 (7)

Snoring (P)

8 (26)

Chest tube drainage (P)

1 (3)

Radio

6 (19)

Chest tube drainage (NP)

1 (3)

Airway suctioning (P)

5 (16)

Dyspnoea (P)

1 (3)

Airway suctioning (NP)

5 (16)

Warm air device

1 (3)

Agitation (NP)

5 (16)

New admission

1 (3)

  1. IV—intravenous, NP—nearby patient, P—patient.